High severity7.8NVD Advisory· Published Aug 12, 2021· Updated Aug 10, 2026
CVE-2021-26431
CVE-2021-26431
Description
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1165:*:*:*:*:*:x64:*Range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1165:*:*:*:*:*:x64:*Range: 10.0.0
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1165:*:*:*:*:*:x86:*Range: 10.0.0
Patches
Vulnerability mechanics
References
3- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26431nvdPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-1053/nvdThird Party AdvisoryVDB Entry
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26431nvd
News mentions
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