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type: cve · created: 2026-10-15 · updated: 2026-10-15 · tags: [cve] · confidence: medium · severity: high · affected_sectors: [global] · au_impact: false

The other two zero-days were publicly disclosed: a .NET Framework untrusted-search-path bypass (CVE-2026-108398, found by James Forshaw of Google Project Zero) that can defeat Windows Defender Application Control and run unauthorised code within protected processes, and a MessagePack-CSharp denial-of-service flaw (CVE-2026-92707).

Attribute Detail
CVE CVE-2026-108398
CVSS 8.8 (HIGH)
Vendor / product Not stated
Reported 2026-10-15