CVE-2013-1331
KEVMicrosoft Office Buffer Overflow Vulnerability
Description
Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via crafted PNG data in an Office document.
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."
CVSS 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedJun 12, 2013
Last modifiedJun 16, 2026
Added to KEVJun 8, 2022
Remediation dueJun 22, 2022
References
- us-cert.gov/ncas/alerts/TA13-168AThird Party AdvisoryUS Government Resource
- docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-051PatchVendor Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16713Broken Link
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16732Broken Link
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-1331US Government Resource
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77
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1587 days
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 79.8% · top 1% of all CVEs
- Weakness
- CWE-120
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.