CVE-2012-2539: Microsoft Word Remote Code Execution Vulnerability
CVE-2012-2539 · Severity: critical · CVSS 9.3 · Exploited in the wild · Published 2022-03-28
Microsoft Word and related Office components are vulnerable to remote code execution or denial of service due to improper handling of crafted RTF data. The vulnerability, known as the 'listoverridecount' flaw, allows an attacker to cause memory corruption via a malicious document.
Yes. CVE-2012-2539 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.
How severe is CVE-2012-2539?
Critical severity, with a CVSS score of 9.3, published 28 March 2022.
Which products and versions are affected?
Microsoft Word 2003 SP3; Microsoft Word 2007 SP2, SP3; Microsoft Word 2010 SP1; Microsoft Word Viewer; and 2 more.
Is there a fix for CVE-2012-2539?
A patch was published on 2012-12-11: Microsoft Security Bulletin MS12-079 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2012-2539 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2012-2539?
Check whether you run Microsoft Word. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Microsoft Word 2003 SP3
Microsoft Word 2007 SP2, SP3
Microsoft Word 2010 SP1
Microsoft Word Viewer
Microsoft Office Compatibility Pack SP2, SP3
Microsoft Office Web Apps 2010 SP1
Timeline
2012-12-11: disclosed: NVD Published Date
2012-12-11: patched: Microsoft Security Bulletin MS12-079 released
2022-03-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2022-03-28: exploited: Confirmed exploited in the wild per CISA KEV catalog entry