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."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-051
http://www.us-cert.gov/ncas/alerts/TA13-168A
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-1331
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16732
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16713
Source: Mitre, NVD
Published: 2013-06-12
Updated: 2026-06-16
Known Exploited Vulnerability (KEV)
Base Score: 9.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.81877