Microsoft Windows Installer Privilege Escalation Vulnerability (CVE-2020-0683)
Severity: high · Patch status: patched · Since 2021-11-03 · CVE-2020-0683
Microsoft Windows Installer contains a privilege escalation vulnerability when MSI packages process symbolic links, which allows attackers to bypass access restrictions to add or remove files. CISA added CVE-2020-0683 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 3, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
