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CVE DATABASE  /  CVE-2013-1331

CVE-2013-1331

Microsoft Office Buffer Overflow Vulnerability

CVSS 7.8 · HIGH ⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog

Confirmed exploited in the wild. Added 2022-06-08. Federal remediation due 2022-06-22.
Required action: Apply updates per vendor instructions.

Summary

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 breakdown

Base score7.8 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vectorLOCAL
Attack complexityLOW
Privileges requiredNONE
User interactionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH

Weakness type (CWE)

Affected products

Microsoft office
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References

Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.

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