Microsoft · Word
CVE-2012-2539
Microsoft Word Remote Code Execution Vulnerability
What it is
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."
CISA: Microsoft Word allows attackers to execute remote code or cause a denial-of-service (DoS) via crafted RTF data.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: April 18, 2022
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Sep 12, 2023 | Information Disclosure | Word | Medium 6.5 | 20% |
| Jun 8, 2022 | Malformed Object Pointer | Word | High 8.8 | 48% |
| Feb 15, 2022 | Memory Corruption | Word | High 7.8 | 78% |
| Oct 13, 2026 | Command Injection | Windows | High 8.8 | 9.8% |
| Sep 25, 2026 | Code Injection | SharePoint | High 8.8 | 8.2% |
| Sep 8, 2026 | Link Following | Windows | High 7.8 | 0.4% |
| Sep 8, 2026 | Heap-Based Buffer Overflow | Windows | High 7.8 | 0.4% |
| Aug 26, 2026 | Remote Code Execution | SQL Server | High 8.8 | 57% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.