Microsoft Office Object Record Corruption Vulnerability (CVE-2009-0557)
Severity: high · Patch status: patched · Since 2022-06-08 · CVE-2009-0557
Microsoft Office contains an object record corruption vulnerability that allows remote attackers to execute code via a crafted Excel file with a malformed record object. CISA added CVE-2009-0557 to its Known Exploited Vulnerabilities catalog on Jun 8, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jun 22, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch