What’s Vulnerable › Vulnerabilities

CVE-2012-2539: Microsoft Word Remote Code Execution Vulnerability

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: yes — in CISA KEV since 2022-03-28
• EPSS: 53.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-12-12 · updated 2026-06-16
• Weakness: CWE-787

Description

Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; and Office Web Apps 2010 SP1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted RTF data, aka "Word RTF 'listoverridecount' Remote Code Execution Vulnerability."

Affected products

• Microsoft Office Compatibility Pack: all versions
• Microsoft Office Web Apps: 2010-sp1
• Microsoft Office Word Viewer: all versions
• Microsoft SharePoint Server: 2010
• Microsoft Word for Android: 2003-sp3, 2007-sp2, 2007-sp3, 2010-sp1

References

• http://www.us-cert.gov/cas/techalerts/TA12-346A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-079
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16073
• http://www.us-cert.gov/cas/techalerts/TA12-346A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-079
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16073
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-2539

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