Vulnerability in Microsoft Windows 10
CVE-2021-26431
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h1, 2004
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h1 — versions 10.0.0
- Microsoft Windows_server_2016 — versions 20h2, 2004
- Microsoft Windows Server Version 2004 — versions 10.0.0
- Microsoft Windows Server Version 20h2 — versions 10.0.0
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, x_refsource_MISC, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (x_refsource_MISC, Third Party Advisory, VDB Entry)
- secure@microsoft.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-26431?
- CVE-2021-26431 is a high-severity vulnerability in Microsoft Windows 10. CVSS score: 7.8/10. Published 2021-08-12.
- How severe is CVE-2021-26431?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-26431 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.