CVE-2026-70264
Medium
Description
Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to disclose information locally.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Windows Defender
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-59Improper link resolution
How to fix
Update
- Microsoft Windows Defender1.1.26090.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Windows Defender | v < 1.1.26090.9 | 1.1.26090.9 |
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