CVE-2026-69729CWE-122

CVE-2026-69729

High · published September 8, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
59.7
In the wild
Unconfirmed
What it is

Heap-based buffer overflow in Windows Credential Providers allows an authorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00913 · 59.7th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-08T22:19Z
Affected products (7)
ProductVersionsFixed in
microsoft/windows_11_24h2< 10.0.26100.944510.0.26100.9445
microsoft/windows_11_24h2< 10.0.26100.944510.0.26100.9445
microsoft/windows_11_25h2< 10.0.26200.944510.0.26200.9445
microsoft/windows_11_25h2< 10.0.26200.944510.0.26200.9445
microsoft/windows_11_26h1< 10.0.28000.295410.0.28000.2954
microsoft/windows_11_26h1< 10.0.28000.295410.0.28000.2954
microsoft/windows_server_2025< 10.0.26100.3343810.0.26100.33438
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69729 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:17Z
    EPSS moved — → 1%
    epss
  • 08 SEP 17:11Z
    Windows Credential Providers Remote Code Execution Vulnerability
    cvelistv5