CVE-2026-50420CWE-125

CVE-2026-50420

Medium · published July 14, 2026

CVSS v3.1
6.2
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00408 · 34.0th percentile
Weakness
CWE-125 · Out-of-bounds Read
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-2026-50420 · [email protected]
EPSS history
Timeline
  • 14 JUL 17:07Z
    HTTP.sys Information Disclosure Vulnerability
    cvelistv5