CVE-2021-36934 · netVigilance record NV22-0056
Microsoft Windows SAM Local Privilege Escalation
past due
What to do
Apply updates per vendor instructions.
CISA deadline 2022-02-24 · passed 4 years 6 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
If a Volume Shadow Copy (VSS) shadow copy of the system drive is available, users can read the SAM file which would allow any user to escalate privileges to SYSTEM level.
Who is affected
Microsoft Windows. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-1220.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 years 6 months ago
Sources
- NVD entry for CVE-2021-36934 nvd.nist.gov/vuln/detail/CVE-2021-36934
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-36934