Microsoft · Office
CVE-2013-1331
Microsoft Office Buffer Overflow Vulnerability
What it is
Buffer overflow in Microsoft Office 2003 SP3 and Office 2011 for Mac allows remote attackers to execute arbitrary code via crafted PNG data in an Office document, leading to improper memory allocation, aka "Office Buffer Overflow Vulnerability."
CISA: Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via crafted PNG data in an Office document.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: June 22, 2022
- Added to the CISA list
- June 8, 2022
- Published
- June 12, 2013
- Severity
- High 7.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 80% in the top 0.4% of all known vulnerabilities
- Weakness
- CWE-119
- More details
- NVD · CVE.org · CISA
All references (4)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-051
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16713
- http://www.us-cert.gov/ncas/alerts/TA13-168A
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16732
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Apr 14, 2026 | Remote Code Execution | Office | High 8.8 | 43% |
| Feb 10, 2026 | Word Reliance on Untrusted Inputs in a Security Decision | Office | High 7.8 | 1.6% |
| Jan 26, 2026 | Security Feature Bypass | Office | High 7.8 | 71% |
| Jan 7, 2026 | PowerPoint Code Injection | Office | High 8.8 | 67% |
| Aug 12, 2025 | Excel Remote Code Execution | Office | High 8.8 | 43% |
| Mar 14, 2023 | Outlook Privilege Escalation | Office | Critical 9.8 | 97% |
| Feb 14, 2023 | Publisher Security Feature Bypass | Office | High 7.3 | 12% |
| Jun 8, 2022 | Object Record Corruption | Office | High 7.8 | 53% |
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.