CVE-2026-70264

Microsoft Defender Information Disclosure Vulnerability

Published Oct 13, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to disclose information locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to disclose information locally.
Title Microsoft Defender Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft windows Defender
Weaknesses CWE-59
CPEs cpe:2.3:a:microsoft:windows_defender:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows Defender
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 8:43 PM
Reserved
Aug 3, 2026, 11:56 PM
Status
Awaiting Analysis
Published
Oct 13, 2026, 7:19 PM
Modified
Oct 13, 2026, 9:18 PM