CVE-2012-2539
High 7.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Word Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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."
Metrics
- CVSS 3.1
-
7.8 (HIGH)
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 53% (percentile: 99) as of 1 November 2026
- CWE
- CWE-787
Affected products
microsoft: office compatibility pack; microsoft: office web apps; microsoft: office word viewer; microsoft: sharepoint server; microsoft: word
References
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-0… PatchVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-0… PatchVendor Advisory
- http://www.us-cert.gov/cas/techalerts/TA12-346A.html Third Party AdvisoryUS Government Resource
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%… Broken Link
- http://www.us-cert.gov/cas/techalerts/TA12-346A.html Third Party AdvisoryUS Government Resource
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%… Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012… US Government Resource