Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office…
Priority CRITICAL 93Exploited in the wildCWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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."
Why it matters now
Exploitation Active In CISA KEV since 2022-03-28CISA due date 2022-04-18
EPSS 0.53033 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:office_compatibility_pack:-:sp2:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_web_apps:2010:sp1:*:*:*:*:*:* | 2010 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_word_viewer:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sharepoint_server:2010:*:*:*:*:*:*:* | 2010 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:* | 2003 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:word:2007:sp2:*:*:*:*:*:* | 2007 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:* | 2007 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:word:2010:sp1:*:*:*:*:*:* | 2010 sp1 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:office_compatibility_pack:-:sp2:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_web_apps:2010:sp1:*:*:*:*:*:* Versions 2010 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_word_viewer:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sharepoint_server:2010:*:*:*:*:*:*:* Versions 2010 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:* Versions 2003 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:word:2007:sp2:*:*:*:*:*:* Versions 2007 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:* Versions 2007 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:word:2010:sp1:*:*:*:*:*:* Versions 2010 sp1 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-03-28 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2012-2539
- 2026-10-03 Alias added: GHSA-x5wq-5f2r-gxw5
References
More Microsoft Office Compatibility Pack vulnerabilities
- TI-2018-00739 Out-of-bounds write in Microsoft Equation Editor KEVCVSS 3.1HIGH 8.8
- TI-2015-02130 Microsoft PowerPoint 2007 SP3, Word 2007 SP3, PowerPoint 2010 SP2, Word 2010 SP2… KEVCVSS 3.1HIGH 8.8
- TI-2009-00222 Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel Viewer 2003 Gold… KEVCVSS 3.1HIGH 8.8
- TI-2018-00743 Out-of-bounds write in Microsoft Equation Editor KEVCVSS 3.1HIGH 7.8
- TI-2017-08774 Memory corruption in Microsoft Office KEVCVSS 3.1HIGH 7.8
- TI-2016-06250 Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2012-2539 · CVE Program
- CVE-2012-2539 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-x5wq-5f2r-gxw5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences