Description
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
Published: 2026-07-14
Score: 7.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 14 Jul 2026 17:15:00 +0000

Type Values Removed Values Added
Description Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
Title Microsoft Defender Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft malware Protection Engine
Weaknesses CWE-122
CWE-190
CPEs cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft malware Protection Engine
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Subscriptions

Microsoft Malware Protection Engine
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-07-14T19:37:10.535Z

Reserved: 2026-06-16T14:12:44.283Z

Link: CVE-2026-55012

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow

  • CWE-190

    Integer Overflow or Wraparound