CVE-2021-26900 — Use After Free in Microsoft Windows 10 Version 1909

CWE-416 — Use After FreeCWE-269 — Improper Privilege Management8 documents5 sources
Severity
7.8HIGHNVD
EPSS
5.3%
top 9.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Microsoft Windows 10 Version 1909Microsoft Windows 10 Version 2004Microsoft Windows 10 Version 20h2+4 more
Timeline
PublishedMar 11
Latest updateMay 24

Description

Windows Win32k Elevation of Privilege Vulnerability

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages7 packages

▶CVEListV5microsoft/windows_10_version_190910.0.0 — publication
▶CVEListV5microsoft/windows_10_version_200410.0.0 — publication
▶CVEListV5microsoft/windows_10_version_20h210.0.0 — publication
▶CVEListV5microsoft/windows_server_version_200410.0.0 — publication
▶CVEListV5microsoft/windows_server_version_20h210.0.0 — publication

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

6
GHSA
GHSA-rrjm-v6pf-g5w6: Windows Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26863, CVE-2021-26875, CVE-2021-26900↗2022-05-24
▶
GHSA
GHSA-95m3-vm2v-9vf3: Windows Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26863, CVE-2021-26875, CVE-2021-27077↗2022-05-24
▶
GHSA
GHSA-7ghw-9j2m-8ffh: Windows Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26875, CVE-2021-26900, CVE-2021-27077↗2022-05-24
▶
GHSA
GHSA-5jfv-8hqf-v5m5: Windows Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26863, CVE-2021-26900, CVE-2021-27077↗2022-05-24
▶
CVEList
Windows Win32k Elevation of Privilege Vulnerability↗2021-03-11
▶

📋Vendor Advisories

1
Microsoft
Windows Win32k Elevation of Privilege Vulnerability↗2021-03-09
▶
CVE-2021-26900 — Use After Free in Microsoft | cvebase