CVE-2026-83795CWE-122CWE-125

CVE-2026-83795

High · published October 13, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
66.6
In the wild
Unconfirmed
What it is

Heap-based buffer overflow in Windows IKE Extension allows an unauthorized attacker to deny service over a network.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01149 · 66.6th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-125 · Out-of-bounds Read
Published
2026-10-13T23:20Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83795 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 1%
    epss
  • 13 OCT 19:00Z
    Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
    cvelistv5