No exploitation reportedFix available

CVE-2025-59517

Q: Is CVE-2025-59517 actively exploited?

Active exploitation of CVE-2025-59517 has not been confirmed. Its EPSS score was 2.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2025-59517?

CVE-2025-59517 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2025-12-09
Fixed in10.0.14393.8688
WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper access control in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.

Timeline

dates in UTC

2025-12-0918:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-59517?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-59517?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft windows 10 1607

Branch	Affected	Fixed in	Source
10.0	< 10.0.14393.8688	10.0.14393.8688	NVD

Microsoft windows 10 1809

Branch	Affected	Fixed in	Source
10.0	< 10.0.17763.8146	10.0.17763.8146	NVD

Microsoft windows 10 21h2

Branch	Affected	Fixed in	Source
10.0	< 10.0.19044.6691	10.0.19044.6691	NVD

9 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Microsoft windows 10 1607 to 10.0.14393.8688

Advisories and patches

msrc.microsoft.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2025-12-10
OpenCVESSVC decisionnone—
CNACVSS 3.17.8read 2026-10-23
CNAweakness (CWE)CWE-284read 2026-10-23
FIRST EPSSEPSS score2.5 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2025-12-09
Last Modified: 2026-10-07
NVD status: Analyzed

Frequently asked questions

What is CVE-2025-59517?

Improper access control in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.

Is CVE-2025-59517 actively exploited?

Active exploitation of CVE-2025-59517 has not been confirmed. Its EPSS score was 2.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-59517?

CVE-2025-59517 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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