CVE-2026-49162

HIGH
MEDIUM Priority: 0.02 BB Relevance: 29/100
Published: 2026-07-14 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

Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Weakness Classification (1)

Affected Software (8)

VendorProductVersion
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.8875
microsoft windows_11_24h2 < 10.0.26100.8875
microsoft windows_11_24h2 < 10.0.26100.8875
microsoft windows_11_25h2 < 10.0.26200.8875
microsoft windows_11_25h2 < 10.0.26200.8875
microsoft windows_11_26h1 < 10.0.28000.2269
microsoft windows_11_26h1 < 10.0.28000.2525
microsoft windows_server_2025 < 10.0.26100.33158

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

0.26%
Raw Score 0.002640
Percentile 18.3%
Date 2026-10-30

EPSS Trend

2026-10-30
0.00264
2026-10-29
0.00264
2026-10-28
0.00264

Intelligence Sources

mitre ref →