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Description

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

PUBLISHED Reserved 2026-05-27 | Published 2026-07-14 | Updated 2026-07-14 | Assigner microsoft




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

Problem types

CWE-416: Use After Free

Product status

10.0.26100.0 (custom) before 10.0.26100.8875
affected

10.0.26200.0 (custom) before 10.0.26200.8875
affected

10.0.28000.0 (custom) before 10.0.28000.2269
affected

10.0.26100.0 (custom) before 10.0.26100.33158
affected

10.0.26100.0 (custom) before 10.0.26100.33158
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49162 (Microsoft Brokering File System Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-49162)

nvd.nist.gov (CVE-2026-49162)

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