CVE-2026-83522CWE-807

CVE-2026-83522

High · published October 13, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
53.5
In the wild
Unconfirmed
What it is

Reliance on untrusted inputs in a security decision in Windows IKE Extension allows an unauthorized attacker to perform spoofing over a network.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00723 · 53.5th percentile
Weakness
CWE-807 · Reliance on Untrusted Inputs in a Security Decision
Published
2026-10-13T23:19Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83522 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 1%
    epss
  • 13 OCT 19:00Z
    Windows IKE Extension Spoofing Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows IKE Extension Spoofing Vulnerability
    cvelistv5