CVE-2025-65001: fujitsu fbiosdrv.sys Out-of-bounds Write
CVSS: 8.2v3.1HighDeferred
Published 12-11-2025Last modified 25-02-2026
Vulnerability summary
CVE-2025-65001 is a high (CVSS 8.2) Out-of-bounds Write vulnerability in fujitsu fbiosdrv.sys. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.4% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (CVE.org)EPSS score
0.16%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-11-2025PublishedVulnerability first disclosed.
- 25-02-2026Last modifiedVulnerability information updated.
Description
Fujitsu fbiosdrv.sys before 2.5.0.0 allows an attacker to potentially affect system confidentiality, integrity, and availability.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.2HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
+0.01 pp
From 0.15% on 19-09-2026
19-09-202619-10-2026
EPSS score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fujitsu1 product
- fbiosdrv.sys< 2.5.0.0
1 vendor · 1 product