Use-after-free vulnerability in Microsoft Excel 2003 SP3, 2007 SP2 and SP3, and 2010 SP1…
Priority MEDIUM 61CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Use-after-free vulnerability in Microsoft Excel 2003 SP3, 2007 SP2 and SP3, and 2010 SP1, and Office 2008 and 2011 for Mac, allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel SST Invalid Length Use After Free Vulnerability."
Why it matters now
EPSS 0.25099 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:* | 2003 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel:2007:sp2:*:*:*:*:*:* | 2007 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:* | 2007 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel:2010:sp1:x64:*:*:*:*:* | 2010 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel:2010:sp1:x86:*:*:*:*:* | 2010 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:* | 2008 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2011:*:mac:*:*:*:*:* | 2011 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:* Versions 2003 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:excel:2007:sp2:*:*:*:*:*:* Versions 2007 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:* Versions 2007 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:excel:2010:sp1:x64:*:*:*:*:* Versions 2010 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:excel:2010:sp1:x86:*:*:*:*:* Versions 2010 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:* Versions 2008 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2011:*:mac:*:*:*:*:* Versions 2011 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-1887
- 2026-10-03 Alias added: GHSA-699x-32cj-fh68
References
More Microsoft Excel vulnerabilities
- TI-2019-01013 A remote code execution vulnerability exists in Microsoft Excel software when the… 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-2007-00655 Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and… KEVCVSS 3.1HIGH 8.8
- TI-2021-18725 Microsoft Excel Security Feature Bypass Vulnerability 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
- TI-2009-02984 Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2012-1887 · CVE Program
- CVE-2012-1887 · NVD
- FIRST EPSS
- GHSA-699x-32cj-fh68 · GitHub Advisory Database · CC BY 4.0
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