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Description

Heap-based buffer overflow in Windows exFAT File System allows an unauthorized attacker to execute code locally.

PUBLISHED Reserved 2024-12-05 | Published 2025-03-11 | Updated 2026-02-13 | Assigner microsoft




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-122: Heap-based Buffer Overflow

Product status

10.0.10240.0 (custom) before 10.0.10240.20947
affected

10.0.14393.0 (custom) before 10.0.14393.7876
affected

10.0.17763.0 (custom) before 10.0.17763.7009
affected

10.0.19044.0 (custom) before 10.0.19044.5608
affected

10.0.19045.0 (custom) before 10.0.19045.5608
affected

10.0.22621.0 (custom) before 10.0.22621.5039
affected

10.0.22631.0 (custom) before 10.0.22631.5039
affected

10.0.22631.0 (custom) before 10.0.22631.5039
affected

10.0.26100.0 (custom) before 10.0.26100.3476
affected

6.1.7601.0 (custom) before 6.1.7601.27618
affected

6.1.7601.0 (custom) before 6.1.7601.27618
affected

6.0.6003.0 (custom) before 6.0.6003.23168
affected

6.0.6003.0 (custom) before 6.0.6003.23168
affected

6.2.9200.0 (custom) before 6.2.9200.25368
affected

6.2.9200.0 (custom) before 6.2.9200.25368
affected

6.3.9600.0 (custom) before 6.3.9600.22470
affected

6.3.9600.0 (custom) before 6.3.9600.22470
affected

10.0.14393.0 (custom) before 10.0.14393.7876
affected

10.0.14393.0 (custom) before 10.0.14393.7876
affected

10.0.17763.0 (custom) before 10.0.17763.7009
affected

10.0.17763.0 (custom) before 10.0.17763.7009
affected

10.0.20348.0 (custom) before 10.0.20348.3328
affected

10.0.25398.0 (custom) before 10.0.25398.1486
affected

10.0.26100.0 (custom) before 10.0.26100.3476
affected

10.0.26100.0 (custom) before 10.0.26100.3476
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21180 (Windows exFAT File System Remote Code Execution Vulnerability) vendor-advisory patch

cve.org (CVE-2025-21180)

nvd.nist.gov (CVE-2025-21180)

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