Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability (CVE-2019-1130)
Severity: high · Patch status: patched · Since 2022-05-23 · CVE-2019-1130
A privilege escalation vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links. CISA added CVE-2019-1130 to its Known Exploited Vulnerabilities catalog on May 23, 2022, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jun 13, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
