CVE-2021-26892 — MEDIUM (6.2)

Vulnerability Description

Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

CVSS Score

6.2

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

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

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2689PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-330/Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2689PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-330/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2021-26892?

CVE-2021-26892 is a vulnerability with a CVSS score of 6.2 (MEDIUM). Windows Extensible Firmware Interface Security Feature Bypass Vulnerability

How severe is CVE-2021-26892?

CVE-2021-26892 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26892?

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.