Microsoft Windows Privilege Escalation Vulnerability (CVE-2018-8440)
Severity: high · Patch status: patched · Since 2022-03-28 · CVE-2018-8440
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC). CISA added CVE-2018-8440 to its Known Exploited Vulnerabilities catalog on Mar 28, 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 Apr 18, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
