CVE-2013-1331VulnerabilityPublished 06/08/2022Updated 10/24/2026

CVE-2013-1331: Microsoft Office Buffer Overflow Vulnerability

Affects Microsoft OfficeSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 06/08/2022
KEV deadline: 06/22/2022
EPSS: 79.8% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2013-1331 (opens in a new tab)

Description

CVE-2013-1331 is a buffer overflow vulnerability in Microsoft Office that allows remote attackers to execute arbitrary code by crafting malicious PNG data embedded in an Office document. This vulnerability has been exploited in the wild. No specific affected versions or patch information are provided in the available data.

Summary

Microsoft Office contains a buffer overflow vulnerability identified as CVE-2013-1331. The flaw arises from improper handling of PNG image data embedded within Office documents, enabling remote attackers to execute arbitrary code. This vulnerability has been observed in active exploitation scenarios. However, no explicit information about affected Office versions or available patches is provided in the source data.

Impact

Successful exploitation of this vulnerability allows remote attackers to execute arbitrary code on the affected system, potentially leading to full compromise of the targeted machine. The vulnerability has been exploited in the wild, indicating active threat. The absence of detailed version or patch information limits precise impact scope assessment.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until official fixes are confirmed, users should exercise caution when opening Office documents from untrusted sources and consider applying any available security updates from Microsoft.

Weaknesses

CWE-119Buffer Errors (Memory Bounds) (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 12:04:15 UTC

Weaknesses

References

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