CVE-2019-1253
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly...
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.
- Record
CVE-2019-1253- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-59
- Updated
- 2026-11-02
CVE List
7.8
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.
- Record
CVE-2019-1253- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
EUVDEUVD-2019-9819
7.8
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.
- Record
EUVD-2019-9819- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wp5j-ppw9-22mw
7.8
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly...
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.
- Record
GHSA-wp5j-ppw9-22mw- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
CISA KEV No score
Microsoft Windows AppX Deployment Server Privilege Escalation Vulnerability
A privilege escalation vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.
- Record
CVE-2019-1253- Weakness
- CWE-59
- Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows server
- microsoft windows server, version 1903 (server core installation)
- microsoft windows 10 1703
- microsoft windows 10 1709
- microsoft windows 10 1803
- microsoft windows 10 1809
- microsoft windows 10 1903
- microsoft windows server 1803
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Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | rogue-kdc/CVE-2019-1253 | 2019-04-10 |
| PoC in GitHub | likekabin/CVE-2019-1253 | 2019-09-11 |
| PoC in GitHub | padovah4ck/CVE-2019-1253 | 2019-09-11 |
| PoC in GitHub | sgabe/CVE-2019-1253 | 2019-09-11 |
| Exploit-DB | AppXSvc - Privilege Escalation | 2019-09-16 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-1253 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published September 11, 2019. CISA lists it as known to be exploited, since March 15, 2022. EUVD reports exploitation since March 15, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.6%, the 96th percentile. No source names a fixed version.
References
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1253
packetstormsecurity.com/files/154488/AppXSvc-17763.1.amd64fre.rs5_release.180914-1434-Privilege-Escalation.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1253
nvd.nist.gov/vuln/detail/CVE-2019-1253
github.com/advisories/GHSA-wp5j-ppw9-22mw