Buffer overflow in Microsoft Windows 10 1507

CVE-2025-21180

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

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-21180: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-21180?
CVE-2025-21180 is a high-severity vulnerability in Microsoft Windows 10 1507, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-03-11.
How severe is CVE-2025-21180?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2025-21180 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.