Microsoft Windows Search Remote Code Execution Vulnerability (CVE-2023-36884)
Severity: high · Patch status: patched · Since 2023-07-17 · CVE-2023-36884
Microsoft Windows Search contains an unspecified vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file, leading to remote code execution. CISA added CVE-2023-36884 to its Known Exploited Vulnerabilities catalog on Jul 17, 2023, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Aug 29, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
