Type Vulnerability
Out-of-bounds write in Windows PCI Bus Driver allows an unauthorised attacker to elevate privileges with a physical attack.
Privilege escalation
Windows PCI Bus Driver Elevation of Privilege Vulnerability
CVE-2026-96981
What this means
This is rated medium severity (6.4 out of 10). There is no confirmed exploitation of it yet.
Full vendor description
Out-of-bounds write in Windows PCI Bus Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Scoring and exploitation
6.4/ 10
CVSS 3.1 base scoreMedium
Exploitable only with physical access without any account, under specific conditions, and no one has to click or open anything. High impact on confidentiality, integrity and availability.
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorPhysicalAV:P
Attack complexityHighAC:H
Privileges requiredNonePR:N
User interactionNoneUI:N
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- Not reported
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-787
References
1 link from the CVE record, grouped by site.
msrc.microsoft.com1 link