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

CVE-2025-21180

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

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

HIGH · CVSS 7.8 EPSS 0.00401
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
▤

Affected Products & Versions

17
microsoft windows 10 1507< 10.0.10240.20947
microsoft windows 10 1607< 10.0.14393.7876
microsoft windows 10 1809< 10.0.17763.7009
microsoft windows 10 21h2< 10.0.19044.5608
microsoft windows 10 22h2< 10.0.19045.5608
microsoft windows 11 22h2< 10.0.22621.5039
microsoft windows 11 23h2< 10.0.22631.5039
microsoft windows 11 24h2< 10.0.26100.3403
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Mar 2025 · 05:16 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2025-21180Remote Code Execution
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