peter bassill · operator
$ cve CVE-2025-21391 JSON

CVE-2025-21391 KEV

7.1
HIGH · CVSS 3.1 · EPSS 2.3% (pctl 83)

Patch first

On CISA KEV — known exploited in the wild, due 2025-03-04.

Description

Windows Storage Elevation of Privilege Vulnerability

Scoring

CVSS7.1 (HIGH, v3.1)
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS2.3% — more likely to be exploited than 83% of all CVEs
WeaknessCWE-59
On CISA KEVyes — remediate by 2025-03-04
Public exploitnone known
Published2025-02-11
Last modified2026-09-24

CISA KEV

NameMicrosoft Windows Storage Link Following Vulnerability
Added2025-02-11
Due2025-03-04
Vendor / productMicrosoft / Windows
Ransomware usenone reported

Affected (13)

VendorProduct
microsoftwindows 10 1507
microsoftwindows 10 1607
microsoftwindows 10 1809
microsoftwindows 10 21h2
microsoftwindows 10 22h2
microsoftwindows 11 22h2
microsoftwindows 11 23h2
microsoftwindows 11 24h2
microsoftwindows server 2016
microsoftwindows server 2019
microsoftwindows server 2022
microsoftwindows server 2022 23h2
microsoftwindows server 2025

References

→ the Explorer  ·  watch your stack  ·  NVD