CVE-2025-49677: high-severity vulnerability in Microsoft Windows 11 version 22H2
Microsoft Brokering File System Elevation of Privilege Vulnerability
Published · Updated
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7epss 1.1%
from disclosure to weapon8 days
Published on NVDJul 8
1st PoC+8d
exploitation probability
1.1%top 35% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
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
Affected products
Microsoft · Windows 11 version 22H2public PoCs found — 1
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