CVE-2026-108398

.NET Framework Security Feature Bypass Vulnerability

HIGH
8.8
CVSS Score
Published: October 13, 2026 at 06:59 PM UTC
Updated: October 25, 2026 at 06:37 PM UTC
1 product affected across 1 vendor.NET Framework

Using Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 by Microsoft?

Get instant alerts when new vulnerabilities affect Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHmicrosoft
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-426

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card