CVE-2013-1331

Microsoft Office Buffer Overflow Vulnerability

  • High 7.8
  • Exploited: added to CISA KEV 8 Jun 2022

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."

Key facts

Published
12 Jun 2013
Last changed
22 Oct 2025
Assigned by
microsoft
KEV added
8 Jun 2022
KEV fix due
22 Jun 2022
EPSS
79.822% likely to be exploited in the next 30 days, higher than 99.616% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/an/a
  • n/a (affected)

Timeline

  1. 12 Jun 2013 Published
  2. 8 Jun 2022 CVE-2013-1331 added to CISA KEV
  3. 8 Jun 2022 Added to the CISA KEV catalogue

Weakness

References