Dashboard / CVE-2026-50349

CVE-2026-50349

HIGH
MEDIUM Priority: 0.01 BB Relevance: 29/100
Published: 2026-09-08 Modified: 2026-10-27 First seen: 2026-10-29 Status: active

Attack Surface

No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: High
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Weakness Classification (2)

Affected Software (24)

VendorProductVersion
microsoft windows_10_1607 < 10.0.14393.9512
microsoft windows_10_1607 < 10.0.14393.9512
microsoft windows_10_1809 < 10.0.17763.9245
microsoft windows_10_1809 < 10.0.17763.9245
microsoft windows_10_21h2 < 10.0.19044.7725
microsoft windows_10_21h2 < 10.0.19044.7725
microsoft windows_10_21h2 < 10.0.19044.7725
microsoft windows_10_22h2 < 10.0.19045.7725
microsoft windows_10_22h2 < 10.0.19045.7725
microsoft windows_10_22h2 < 10.0.19045.7725
microsoft windows_11_23h2 < 10.0.22631.7582
microsoft windows_11_23h2 < 10.0.22631.7582
microsoft windows_11_24h2 < 10.0.26100.9445
microsoft windows_11_24h2 < 10.0.26100.9445
microsoft windows_11_25h2 < 10.0.26200.9445
microsoft windows_11_25h2 < 10.0.26200.9445
microsoft windows_11_26h1 < 10.0.28000.2954
microsoft windows_11_26h1 < 10.0.28000.2954
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 < 10.0.14393.9512
microsoft windows_server_2019 < 10.0.17763.9245
microsoft windows_server_2022 < 10.0.20348.5622
microsoft windows_server_2025 < 10.0.26100.33438

References & Advisories (1)

Bug Bounty Relevance

29 / 100
✓ No user interaction

CVSS Score

7.0 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.20%
Raw Score 0.002020
Percentile 10.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00202
2026-10-28
0.00202

Intelligence Sources

mitre ref →

External Links