Dashboard / CVE-2026-88149

CVE-2026-88149

HIGH
MEDIUM Priority: 0.01 BB Relevance: 29/100
Published: 2026-10-13 Modified: 2026-10-28 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

Double free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Weakness Classification (1)

Affected Software (94)

VendorProductVersion
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows 10 Version 1607 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows 10 Version 1809 10.0.17763.0 < 10.0.17763.9376
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7807
Microsoft Windows 10 Version 21H2 10.0.19044.0 < 10.0.19044.7807
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7807
Microsoft Windows 10 Version 22H2 10.0.19045.0 < 10.0.19045.7807
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7652
Microsoft Windows 11 Version 23H2 10.0.22631.0 < 10.0.22631.7652
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9711
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9711
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9711
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9711
Microsoft Windows 11 Version 26H2 10.0.26300.0 < 10.0.26300.9711
Microsoft Windows 11 Version 26H2 10.0.26300.0 < 10.0.26300.9711
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7652
Microsoft Windows 11 version 23H2 10.0.22631.0 < 10.0.22631.7652
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.3231
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.3231
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 < 6.2.9200.26434
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2012 R2 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 < 6.3.9600.23470
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9612
Microsoft Windows Server 2016 10.0.14393.0 < 10.0.14393.9612
Showing 30 of 94 entries

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 0.001990
Percentile 9.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00199
2026-10-28
0.00204

Intelligence Sources

mitre ref →
nvd ref →

External Links