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CVE-2018-8621

An information disclosure vulnerability exists when the Windows kernel improperly handles objects...

5.5 Medium

CVE-2018-8621 is a medium vulnerability (CVSS 5.5) in Microsoft Windows 7, published December 12, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.84%, the 79th percentile. No source names a fixed version.

Severity
5.5 MediumCVSS 3.0, NVD
Exploit chance
1.84%EPSS, 79th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8477, CVE-2018-8622.

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
None
Availability
None

Exploit likelihood

1.84%Down 4.9 points since Apr 14, 2021
90%50%10%1%

Affected products

What each source reports

NVD Score used5.5

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8477, CVE-2018-8622.

Record
CVE-2018-8621
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE ListNo score

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8477, CVE-2018-8622.

Record
CVE-2018-8621
Updated
2026-11-02
EUVDEUVD-2018-20234No score

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8477, CVE-2018-8622.

Record
EUVD-2018-20234
Updated
2026-11-03
GitHub AdvisoriesGHSA-4v5x-6vf6-8x7f5.5

An information disclosure vulnerability exists when the Windows kernel improperly handles objects...

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8477, CVE-2018-8622.

Record
GHSA-4v5x-6vf6-8x7f
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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