CVE-2013-1331: Microsoft Office Buffer Overflow Vulnerability

Vulnerability summary

CVE-2013-1331 is a high (CVSS 9.3) Classic Buffer Overflow vulnerability in Microsoft Office. It is known to be exploited: CISA lists it, first on 08-06-2022. EPSS estimates a 79.82% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities.

Timeline

1. 12-06-2013
   PublishedVulnerability first disclosed.
2. 08-06-2022
   Added to CISA KEVMicrosoft Office Buffer Overflow Vulnerability
3. 22-06-2022
   CISA remediation dueApply updates per vendor instructions.
4. 22-10-2025
   Last modifiedVulnerability information updated.

Description

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."

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.