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CVE-2009-0557: Microsoft Office Object Record Corruption Vulnerability

criticalknown exploitedCVE-2009-0557
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Microsoftproduct: OfficeOther
What
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.
Who is affected
Users of Microsoft Office.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security updates for Microsoft Office.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-06-08
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2009-0557

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2009-0557coverage & exploitation statusNVD · CVE.org

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