Microsoft Exchange Server Privilege Escalation Vulnerability (CVE-2022-41080)
Severity: high · Patch status: patched · Since 2023-01-10 · CVE-2022-41080
Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation. This vulnerability is chainable with CVE-2022-41082, which allows for remote code execution. CISA added CVE-2022-41080 to its Known Exploited Vulnerabilities catalog on Jan 10, 2023, 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 Jan 31, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
