CVE-2026-96957CWE-347

CVE-2026-96957

High · published October 13, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
38.1
In the wild
Unconfirmed
What it is

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00449 · 38.1th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-10-13T23:22Z
Affected products (11)
ProductVersionsFixed in
microsoft/.net≥ 10.0.0, < 10.0.1310.0.13
microsoft/.netall versions—
microsoft/.netall versions—
microsoft/.netall versions—
microsoft/.netall versions—
microsoft/.netall versions—
microsoft/.netall versions—
microsoft/.netall versions—
microsoft/.netall versions—
microsoft/visual_studio_2022≥ 17.14.0, < 17.14.4217.14.42
microsoft/visual_studio_2026≥ 18.10.0, < 18.10.418.10.4
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96957 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:01Z
    .NET Security Feature Bypass Vulnerability
    cvelistv5
  • 13 OCT 19:01Z
    .NET Security Feature Bypass Vulnerability
    cvelistv5