CVE-2026-49177CWE-125

CVE-2026-49177

Medium · published July 14, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
37.5
In the wild
Unconfirmed
What it is

Out-of-bounds read in Windows TCP/IP allows an authorized attacker to disclose information locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00443 · 37.5th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-07-14T22:17Z
Affected products (22)
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_2012all versions—
microsoft/windows_server_2012all versions—
microsoft/windows_server_2016< 10.0.14393.933910.0.14393.9339
microsoft/windows_server_2019< 10.0.17763.902010.0.17763.9020
microsoft/windows_server_2022< 10.0.20348.538610.0.20348.5386
microsoft/windows_server_2025< 10.0.26100.3315810.0.26100.33158
microsoft/windows_10_1607< 10.0.14393.933910.0.14393.9339
microsoft/windows_10_1607< 10.0.14393.933910.0.14393.9339
microsoft/windows_10_1809< 10.0.17763.902010.0.17763.9020
microsoft/windows_10_1809< 10.0.17763.902010.0.17763.9020
microsoft/windows_10_21h2< 10.0.19044.754810.0.19044.7548
microsoft/windows_10_21h2< 10.0.19044.754810.0.19044.7548
microsoft/windows_10_21h2< 10.0.19044.754810.0.19044.7548
microsoft/windows_10_22h2< 10.0.19045.754810.0.19045.7548
microsoft/windows_10_22h2< 10.0.19045.754810.0.19045.7548
microsoft/windows_10_22h2< 10.0.19045.754810.0.19045.7548
References (2)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49177 · [email protected]https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2427 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 14 JUL 17:04Z
    Windows TCP/IP Information Disclosure Vulnerability
    cvelistv5