🛡️ CVE-2026-50657 — defender-for-endpoint

🟡 CVSS 4.7 — Medium ✅ No Known Exploit CWE-359 NVD
4.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Affected software

CVE-2026-50657 is recorded against 1 package.

  • defender-for-endpoint (from 101.0.0 up to 101.26042.0020)

Timeline and source

Published on 14 July 2026 and last revised on 22 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

msrc.microsoft.com

Details

Severity MEDIUM
CVSS Score 4.7
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE CWE-359
Public Exploit ✅ No
Source NVD
Published 2026-07-14
Updated 2026-08-11
Modified 2026-07-22
Fix URL N/A

Affected Packages

Software From version Fixed in
defender-for-endpoint 101.0.0 101.26042.0020

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