CVE-2021-26863 — HIGH (7.0)

Vulnerability Description

Windows Win32k Elevation of Privilege Vulnerability

CVSS Score

7.0

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 10	20h2
Microsoft	Windows Server 2016	20h2
Microsoft	Windows Server 2019	-

Related Weaknesses (CWE)

CWE-269

References

http://packetstormsecurity.com/files/161768/Microsoft-Windows-Kernel-NtGdiGetDevExploitThird Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2686PatchVendor Advisory
http://packetstormsecurity.com/files/161768/Microsoft-Windows-Kernel-NtGdiGetDevExploitThird Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2686PatchVendor Advisory

FAQ

What is CVE-2021-26863?

CVE-2021-26863 is a vulnerability with a CVSS score of 7.0 (HIGH). Windows Win32k Elevation of Privilege Vulnerability

How severe is CVE-2021-26863?

CVE-2021-26863 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26863?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.