CVE-2021-26431
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
- Record
CVE-2021-26431- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-13236
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
- Record
EUVD-2021-13236- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9vmm-wmjj-7h4g
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
- Record
GHSA-9vmm-wmjj-7h4g- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
- Record
CVE-2021-26431- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26431 is a high vulnerability (CVSS 7.8) in Microsoft Windows 10 Version 2004, published August 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.18%, the 67th percentile. No source names a fixed version.