CVE-2026-50465CWE-284broken-access-control

CVE-2026-50465

High · published July 14, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
21.3
In the wild
Unconfirmed
What it is

Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00298 · 21.3th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-07-14T22:17Z
Affected products (7)
ProductVersionsFixed in
microsoft/windows_11_24h2< 10.0.26100.887510.0.26100.8875
microsoft/windows_11_24h2< 10.0.26100.887510.0.26100.8875
microsoft/windows_11_25h2< 10.0.26200.887510.0.26200.8875
microsoft/windows_11_25h2< 10.0.26200.887510.0.26200.8875
microsoft/windows_11_26h1< 10.0.28000.226910.0.28000.2269
microsoft/windows_11_26h1< 10.0.28000.252510.0.28000.2525
microsoft/windows_server_2025< 10.0.26100.3315810.0.26100.33158
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50465 · [email protected]
EPSS history
Timeline
  • 14 JUL 17:07Z
    Windows DNS Client Tampering Vulnerability
    cvelistv5