Cybersecurity Alerts

Microsoft Windows SAM Local Privilege Escalation Vulnerability

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.

Required Action

Apply updates per vendor instructions.

Weakness Classification

CWE-1220

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-36934