CVE-2026-50657

VendormicrosoftProductdefender for endpointDiscoveredJul 14, 2026UpdatedOct 24, 2026

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

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CVSS v3.1

4.7 MEDIUM

EPSS

0.40%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

Intelligence Reports1

1 intelligence report available

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CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

ScopeUNCHANGED

ConfidentialityHIGH

IntegrityNONE

AvailabilityNONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Connections

2 relationships

CWE-359

source

Timeline

disclosure → media coverage

Jul 14, 2026

Disclosure — published as a CVE record. · last revised by NVD Oct 24, 2026

Public PoC (1)

github.com/NeseOS-Corp/CVE-2026-50657

Unverified third-party code — review before executing.