Patch Forecast
Amber warning
Patch this week.

CVE-2026-108398

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

Risk score
71/100
CVSS
8.8 v3.1
Exploit chance (30 days)
0.5%
Published
13 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.
Affected
See advisory
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
Exploitation reported in the press

In the news

TL;DR

Microsoft patches 1400+ CVEs, including .NET Framework vulnerability CVE-2026-108398, which allows authorized attackers to bypass security feature locally.

  • CVE-2026-108398 is a high-severity vulnerability (CVSS 8.8) in .NET Framework.
  • SecurityWeek reports that a security feature bypass in .NET Framework was publicly disclosed prior to the patch release.
  • Krebs on Security notes that at least 78 of the flaws fixed this month are rated 'critical' and could be exploited with little or no user action.
  • Infosecurity Magazine reports that Microsoft's use of AI to find and fix vulnerabilities has led to a surge in patch volume, with 1400+ CVEs patched this month.

AI summary of 2 articles.

Why it is Amber

  • CVSS 8.8 high
  • On your watchlist: .net

References

Original description

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

Last activity 13 Oct 2026. Patch Forecast updates every hour.