Description
Integer underflow (wrap 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

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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History

Tue, 14 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

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

Type Values Removed Values Added
Description Integer underflow (wrap 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-191
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: 2026-07-14T19:37:09.825Z

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

Link: CVE-2026-55011

cve-icon Vulnrichment

Updated: 2026-07-14T18:05:29.899Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-191

    Integer Underflow (Wrap or Wraparound)