CVE-2012-2539
Microsoft Word Remote Code Execution Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Word, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Apr 18, 2022.
Patch status
Official fix available since
Apply the vendor's update to every affected system. Check the fixed-in versions below where known.
Basis: NVD patch reference
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."
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Source |
|---|---|---|---|
| SharePoint Server | Microsoft | 2010 | NVD |
| Word | Microsoft | 2003; 2007; 2010 | KEV |
Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2012-2539 scored CVSS 7.8: Microsoft Word, Microsoft Word Remote Code Execution Vulnerability
CISA lists this as exploited in the wild. Unpatched Word systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
- Patch releasedUpdateKEV
Patch released for CVE-2012-2539: Microsoft Word, Microsoft Word Remote Code Execution Vulnerability
An official fix is now available for Microsoft Word. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference
1 earlier event is available with a subscription. See plans.
Coverage
We have not published a story about this vulnerability yet.