CVE-2018-0886
The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2...
The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709 allows a remote code execution vulnerability due to how CredSSP validates request during the authentication process, aka "CredSSP Remote Code Execution Vulnerability".
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.0
The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709 allows a remote code execution vulnerability due to how CredSSP validates request during the authentication process, aka "CredSSP Remote Code Execution Vulnerability".
- Record
CVE-2018-0886- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.6 High
AV:N/AC:H/Au:N/C:C/I:C/A:C - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709 allows a remote code execution vulnerability due to how CredSSP validates request during the authentication process, aka "CredSSP Remote Code Execution Vulnerability".
- Record
CVE-2018-0886- Updated
- 2026-11-02
EUVDEUVD-2018-1677 No score
The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709 allows a remote code execution vulnerability due to how CredSSP validates request during the authentication process, aka "CredSSP Remote Code Execution Vulnerability".
- Record
EUVD-2018-1677- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hrh9-4g5w-7q9j
7.0
The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2...
The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709 allows a remote code execution vulnerability due to how CredSSP validates request during the authentication process, aka "CredSSP Remote Code Execution Vulnerability".
- Record
GHSA-hrh9-4g5w-7q9j- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVopenSUSE-SU-2019:0325-1 No score
Security update for freerdp
This update for freerdp to version 2.0.0~rc4 fixes the following issues:
Security issues fixed:
- CVE-2018-0886: Fix a remote code execution vulnerability (CredSSP) (bsc#1085416, bsc#1087240, bsc#1104918)
- CVE-2018-8789: Fix several denial of service vulnerabilities in the in the NTLM Authentication module (bsc#1117965)
- CVE-2018-8785: Fix a potential remote code execution vulnerability in the zgfx_decompress function (bsc#1117967)
- CVE-2018-8786: Fix a potential remote code execution vulnerability in the update_read_bitmap_update function (bsc#1117966)
- CVE-2018-8787: Fix a potential remote code execution vulnerability in the gdi_Bitmap_Decompress function (bsc#1117964)
- CVE-2018-8788: Fix a potential remote code execution vulnerability in the nsc_rle_decode function (bsc#1117963)
- CVE-2018-8784: Fix a potential remote code execution vulnerability in the zgfx_decompress_segment function (bsc#1116708)
- CVE-2018-1000852: Fixed a remote memory access in the drdynvc_process_capability_request function (bsc#1120507)
Other issues:
- Upgraded to version 2.0.0-rc4 (FATE#326739)
- Security and stability improvements, including bsc#1103557 and bsc#1112028
- gateway: multiple fixes and improvements
- client/X11: support for rail (remote app) icons was added
- The licensing code was re-worked: Per-device licenses are now saved on the
client and used on re-connect:
WARNING: this is a change in FreeRDP behavior regarding licensing. If the old behavior is required, or no licenses should be saved use the new command line option +old-license (gh#/FreeRDP/FreeRDP#4979) - Improved order handling - only orders that were enable during capability exchange are accepted. WARNING and NOTE: some servers do improperly send orders that weren't negotiated, for such cases the new command line option /relax-order-checks was added to disable the strict order checking. If connecting to xrdp the options /relax-order-checks and +glyph-cache are required. (gh#/FreeRDP/FreeRDP#4926)
- Fixed automount issues
- Fixed several audio and microphone related issues
- Fixed X11 Right-Ctrl ungrab feature
- Fixed race condition in rdpsnd channel server.
- Disabled SSE2 for ARM and powerpc
This update was imported from the SUSE:SLE-15:Update update project.
- Record
openSUSE-SU-2019:0325-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10768-1 No score
freerdp-2.4.0-2.1 on GA media
These are all security issues fixed in the freerdp-2.4.0-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10768-1- Updated
- 2026-11-02
Show 5 moreShow less
OSVopenSUSE-SU-2024:12385-1 No score
python310-pyspnego-0.5.0-1.1 on GA media
These are all security issues fixed in the python310-pyspnego-0.5.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:12385-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15103-1 No score
python311-pyspnego-0.11.2-1.4 on GA media
These are all security issues fixed in the python311-pyspnego-0.11.2-1.4 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15103-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:0134-1 No score
Security update for freerdp
This update for freerdp fixes the following issues:
Security issues fixed:
- CVE-2018-0886: Fix a remote code execution vulnerability (CredSSP) (bsc#1085416, bsc#1087240, bsc#1104918)
- CVE-2018-8789: Fix several denial of service vulnerabilities in the in the NTLM Authentication module (bsc#1117965)
- CVE-2018-8785: Fix a potential remote code execution vulnerability in the zgfx_decompress function (bsc#1117967)
- CVE-2018-8786: Fix a potential remote code execution vulnerability in the update_read_bitmap_update function (bsc#1117966)
- CVE-2018-8787: Fix a potential remote code execution vulnerability in the gdi_Bitmap_Decompress function (bsc#1117964)
- CVE-2018-8788: Fix a potential remote code execution vulnerability in the nsc_rle_decode function (bsc#1117963)
- CVE-2018-8784: Fix a potential remote code execution vulnerability in the zgfx_decompress_segment function (bsc#1116708)
- CVE-2018-1000852: Fixed a remote memory access in the drdynvc_process_capability_request function (bsc#1120507)
- Record
SUSE-SU-2019:0134-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:0539-1 No score
Security update for freerdp
This update for freerdp to version 2.0.0~rc4 fixes the following issues:
Security issues fixed:
- CVE-2018-0886: Fix a remote code execution vulnerability (CredSSP) (bsc#1085416, bsc#1087240, bsc#1104918)
- CVE-2018-8789: Fix several denial of service vulnerabilities in the in the NTLM Authentication module (bsc#1117965)
- CVE-2018-8785: Fix a potential remote code execution vulnerability in the zgfx_decompress function (bsc#1117967)
- CVE-2018-8786: Fix a potential remote code execution vulnerability in the update_read_bitmap_update function (bsc#1117966)
- CVE-2018-8787: Fix a potential remote code execution vulnerability in the gdi_Bitmap_Decompress function (bsc#1117964)
- CVE-2018-8788: Fix a potential remote code execution vulnerability in the nsc_rle_decode function (bsc#1117963)
- CVE-2018-8784: Fix a potential remote code execution vulnerability in the zgfx_decompress_segment function (bsc#1116708)
- CVE-2018-1000852: Fixed a remote memory access in the drdynvc_process_capability_request function (bsc#1120507)
Other issues:
- Upgraded to version 2.0.0-rc4 (FATE#326739)
- Security and stability improvements, including bsc#1103557 and bsc#1112028
- gateway: multiple fixes and improvements
- client/X11: support for rail (remote app) icons was added
- The licensing code was re-worked: Per-device licenses are now saved on the
client and used on re-connect:
WARNING: this is a change in FreeRDP behavior regarding licensing. If the old behavior is required, or no licenses should be saved use the new command line option +old-license (gh#/FreeRDP/FreeRDP#4979) - Improved order handling - only orders that were enable during capability exchange are accepted. WARNING and NOTE: some servers do improperly send orders that weren't negotiated, for such cases the new command line option /relax-order-checks was added to disable the strict order checking. If connecting to xrdp the options /relax-order-checks and +glyph-cache are required. (gh#/FreeRDP/FreeRDP#4926)
- Fixed automount issues
- Fixed several audio and microphone related issues
- Fixed X11 Right-Ctrl ungrab feature
- Fixed race condition in rdpsnd channel server.
- Disabled SSE2 for ARM and powerpc
- Record
SUSE-SU-2019:0539-1- Updated
- 2026-11-02
OSVSUSE-SU-2020:2272-1 No score
Security update for freerdp
This update for freerdp fixes the following issues:
freerdp was updated to version 2.1.2 (bsc#1171441,bsc#1173247 and jsc#ECO-2006):
- CVE-2020-11017: Fixed a double free which could have denied the server's service.
- CVE-2020-11018: Fixed an out of bounds read which a malicious clients could have triggered.
- CVE-2020-11019: Fixed an issue which could have led to denial of service if logger was set to 'WLOG_TRACE'.
- CVE-2020-11038: Fixed a buffer overflow when /video redirection was used.
- CVE-2020-11039: Fixed an issue which could have allowed arbitrary memory read and write when USB redirection was enabled.
- CVE-2020-11040: Fixed an out of bounds data read in clear_decompress_subcode_rlex.
- CVE-2020-11041: Fixed an issue with the configuration for sound backend which could have led to server's denial of service.
- CVE-2020-11043: Fixed an out of bounds read in rfx_process_message_tileset.
- CVE-2020-11085: Fixed an out of bounds read in cliprdr_read_format_list.
- CVE-2020-11086: Fixed an out of bounds read in ntlm_read_ntlm_v2_client_challenge.
- CVE-2020-11087: Fixed an out of bounds read in ntlm_read_AuthenticateMessage.
- CVE-2020-11088: Fixed an out of bounds read in ntlm_read_NegotiateMessage.
- CVE-2020-11089: Fixed an out of bounds read in irp function family.
- CVE-2020-11095: Fixed a global out of bounds read in update_recv_primary_order.
- CVE-2020-11096: Fixed a global out of bounds read in update_read_cache_bitmap_v3_order.
- CVE-2020-11097: Fixed an out of bounds read in ntlm_av_pair_get.
- CVE-2020-11098: Fixed an out of bounds read in glyph_cache_put.
- CVE-2020-11099: Fixed an out of bounds Read in license_read_new_or_upgrade_license_packet.
- CVE-2020-11521: Fixed an out of bounds write in planar.c (bsc#1171443).
- CVE-2020-11522: Fixed an out of bounds read in gdi.c (bsc#1171444).
- CVE-2020-11523: Fixed an integer overflow in region.c (bsc#1171445).
- CVE-2020-11524: Fixed an out of bounds write in interleaved.c (bsc#1171446).
- CVE-2020-11525: Fixed an out of bounds read in bitmap.c (bsc#1171447).
- CVE-2020-11526: Fixed an out of bounds read in update_recv_secondary_order (bsc#1171674).
- CVE-2020-13396: Fixed an Read in ntlm_read_ChallengeMessage.
- CVE-2020-13397: Fixed an out of bounds read in security_fips_decrypt due to uninitialized value.
- CVE-2020-13398: Fixed an out of bounds write in crypto_rsa_common.
- CVE-2020-4030: Fixed an out of bounds read in
TrioParse. - CVE-2020-4031: Fixed a use after free in gdi_SelectObject.
- CVE-2020-4032: Fixed an integer casting in
update_recv_secondary_order. - CVE-2020-4033: Fixed an out of bound read in RLEDECOMPRESS.
- Fixed an issue where freerdp failed with -fno-common (bsc#1169748).
- Fixed an issue where USB redirection with FreeRDP was not working (bsc#1169679).
- Fixed an issue where freerdp could not start (bsc#1129193).
- Fixed an issue where copy and paste between remote host was transforming text to chinese (bsc#1004108).
- Added pulse support (bsc#1090677).
Additionally, the following issue was fixed:
- CVE-2020-15103: Fix integer overflow due to missing input sanitation in rdpegfx channel (bsc#1174321).
- Record
SUSE-SU-2020:2272-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
freerdpSUSE:Linux Enterprise Desktop 12 SP3 |
before 2.0.0~git.1463131968.4e66df7-12.8.1 | 2.0.0~git.1463131968.4e66df7-12.8.1 |
freerdpSUSE:Linux Enterprise Desktop 12 SP4 |
before 2.0.0~git.1463131968.4e66df7-12.8.1 | 2.0.0~git.1463131968.4e66df7-12.8.1 |
freerdpSUSE:Linux Enterprise Software Development Kit 12 SP3 |
before 2.0.0~git.1463131968.4e66df7-12.8.1 | 2.0.0~git.1463131968.4e66df7-12.8.1 |
freerdpSUSE:Linux Enterprise Software Development Kit 12 SP4 |
before 2.0.0~git.1463131968.4e66df7-12.8.1 | 2.0.0~git.1463131968.4e66df7-12.8.1 |
freerdpSUSE:Linux Enterprise Workstation Extension 12 SP3 |
before 2.0.0~git.1463131968.4e66df7-12.8.1 | 2.0.0~git.1463131968.4e66df7-12.8.1 |
freerdpSUSE:Linux Enterprise Workstation Extension 12 SP4 |
before 2.0.0~git.1463131968.4e66df7-12.8.1 | 2.0.0~git.1463131968.4e66df7-12.8.1 |
freerdpSUSE:Linux Enterprise Workstation Extension 15 |
before 2.0.0~rc4-3.3.1 | 2.0.0~rc4-3.3.1 |
freerdpSUSE:Linux Enterprise Software Development Kit 12 SP5 |
before 2.1.2-12.20.1 | 2.1.2-12.20.1 |
freerdpSUSE:Linux Enterprise Workstation Extension 12 SP5 |
before 2.1.2-12.20.1 | 2.1.2-12.20.1 |
vinagreSUSE:Linux Enterprise Workstation Extension 12 SP5 |
before 3.20.2-16.3.3 | 3.20.2-16.3.3 |
freerdp2openSUSE:Tumbleweed |
before 2.4.0-2.1 | 2.4.0-2.1 |
python-pyspnegoopenSUSE:Tumbleweed |
before 0.5.0-1.1 | 0.5.0-1.1 |
python-pyspnegoopenSUSE:Tumbleweed |
before 0.11.2-1.4 | 0.11.2-1.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Credential Security Support Provider - Remote Code Execution | 2018-04-13 |
| PoC in GitHub | preempt/credssp | 2018-04-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-0886 is a high vulnerability (CVSS 7.0) in Microsoft Windows, published March 14, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 82.0%, the 99th percentile. Fixed in freerdp 2.0.0~git.1463131968.4e66df7-12.8.1.
References
securitytracker.com/id/1040506
securityfocus.com/bid/103265
ics-cert.us-cert.gov/advisories/ICSA-18-198-03
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0886
blog.preempt.com/security-advisory-credssp
exploit-db.com/exploits/44453
Show 89 moreShow less
github.com/preempt/credssp
nvd.nist.gov/vuln/detail/CVE-2018-0886
github.com/advisories/GHSA-hrh9-4g5w-7q9j
suse.com/support/update/announcement/2019/suse-su-20190134-1
bugzilla.suse.com/1085416
bugzilla.suse.com/1087240
bugzilla.suse.com/1104918
bugzilla.suse.com/1116708
bugzilla.suse.com/1117963
bugzilla.suse.com/1117964
bugzilla.suse.com/1117965
bugzilla.suse.com/1117966
bugzilla.suse.com/1117967
bugzilla.suse.com/1120507
suse.com/security/cve/CVE-2018-0886
suse.com/security/cve/CVE-2018-1000852
suse.com/security/cve/CVE-2018-8784
suse.com/security/cve/CVE-2018-8785
suse.com/security/cve/CVE-2018-8786
suse.com/security/cve/CVE-2018-8787
suse.com/security/cve/CVE-2018-8788
suse.com/security/cve/CVE-2018-8789
suse.com/support/update/announcement/2019/suse-su-20190539-1
bugzilla.suse.com/1103557
bugzilla.suse.com/1112028
suse.com/support/update/announcement/2020/suse-su-20202272-1
bugzilla.suse.com/1004108
bugzilla.suse.com/1050699
bugzilla.suse.com/1050704
bugzilla.suse.com/1050708
bugzilla.suse.com/1050711
bugzilla.suse.com/1050712
bugzilla.suse.com/1050714
bugzilla.suse.com/1090677
bugzilla.suse.com/1129193
bugzilla.suse.com/1169679
bugzilla.suse.com/1169748
bugzilla.suse.com/1171441
bugzilla.suse.com/1171443
bugzilla.suse.com/1171444
bugzilla.suse.com/1171445
bugzilla.suse.com/1171446
bugzilla.suse.com/1171447
bugzilla.suse.com/1171674
bugzilla.suse.com/1173247
bugzilla.suse.com/1173605
bugzilla.suse.com/1174200
bugzilla.suse.com/1174321
suse.com/security/cve/CVE-2017-2834
suse.com/security/cve/CVE-2017-2835
suse.com/security/cve/CVE-2017-2836
suse.com/security/cve/CVE-2017-2837
suse.com/security/cve/CVE-2017-2838
suse.com/security/cve/CVE-2017-2839
suse.com/security/cve/CVE-2020-11017
suse.com/security/cve/CVE-2020-11018
suse.com/security/cve/CVE-2020-11019
suse.com/security/cve/CVE-2020-11038
suse.com/security/cve/CVE-2020-11039
suse.com/security/cve/CVE-2020-11040
suse.com/security/cve/CVE-2020-11041
suse.com/security/cve/CVE-2020-11043
suse.com/security/cve/CVE-2020-11085
suse.com/security/cve/CVE-2020-11086
suse.com/security/cve/CVE-2020-11087
suse.com/security/cve/CVE-2020-11088
suse.com/security/cve/CVE-2020-11089
suse.com/security/cve/CVE-2020-11095
suse.com/security/cve/CVE-2020-11096
suse.com/security/cve/CVE-2020-11097
suse.com/security/cve/CVE-2020-11098
suse.com/security/cve/CVE-2020-11099
suse.com/security/cve/CVE-2020-11521
suse.com/security/cve/CVE-2020-11522
suse.com/security/cve/CVE-2020-11523
suse.com/security/cve/CVE-2020-11524
suse.com/security/cve/CVE-2020-11525
suse.com/security/cve/CVE-2020-11526
suse.com/security/cve/CVE-2020-13396
suse.com/security/cve/CVE-2020-13397
suse.com/security/cve/CVE-2020-13398
suse.com/security/cve/CVE-2020-15103
suse.com/security/cve/CVE-2020-4030
suse.com/security/cve/CVE-2020-4031
suse.com/security/cve/CVE-2020-4032
suse.com/security/cve/CVE-2020-4033
lists.opensuse.org/archives/list/[email protected]/thread/MIETP2PR4Q4SATLCVO5M3PMEMOFCHU4C
suse.com/security/cve/CVE-2019-17177
lists.opensuse.org/archives/list/[email protected]/thread/LI5KSU5NNBBTUWPYHBYZSFVRYLQ3KDGB