CVE-2026-78454: Windows CD-ROM Driver Information Disclosure Vulnerability
Published Sep 8, 2026
·Updated
Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to disclose information locally.
Other sources
Windows CD-ROM Driver Information Disclosure Vulnerability
— Microsoft
Affected Software
42 affected componentsFixes available
Microsoft Windows Server 2016<10.0.14393.9512
10.0.14393.9512
Microsoft Windows 10=1607
10.0.14393.9512
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows Server 2016<10.0.14393.9512
10.0.14393.9512
Microsoft Windows 11=23H2
10.0.22631.7582
Microsoft Windows 11=23H2
10.0.22631.7582
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 10=1607
10.0.14393.9512
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 10=22H2
10.0.19045.7725
Microsoft Windows 10=22H2
10.0.19045.7725
Microsoft Windows 10=22H2
10.0.19045.7725
Microsoft Windows 10=21H2
10.0.19044.7725
Microsoft Windows 10=21H2
10.0.19044.7725
Microsoft Windows 10=1809
10.0.17763.9245
Microsoft Windows 10=21H2
10.0.19044.7725
Microsoft Windows Server 2019<10.0.17763.9245
10.0.17763.9245
Microsoft Windows Server 2019<10.0.17763.9245
10.0.17763.9245
Microsoft Windows 10=1809
10.0.17763.9245
Microsoft Windows 10 1607<10.0.14393.9512
Microsoft Windows 10 1607<10.0.14393.9512
Microsoft Windows 10 1809<10.0.17763.9245
Microsoft Windows 10 1809<10.0.17763.9245
Microsoft Windows 10 21h2<10.0.19044.7725
Microsoft Windows 10 21h2<10.0.19044.7725
Microsoft Windows 10 21h2<10.0.19044.7725
Microsoft Windows 10 22h2<10.0.19045.7725
Microsoft Windows 10 22h2<10.0.19045.7725
Microsoft Windows 10 22h2<10.0.19045.7725
Microsoft Windows 11 23h2<10.0.22631.7582
Microsoft Windows 11 23h2<10.0.22631.7582
Microsoft Windows 11 24h2<10.0.26100.9445
Microsoft Windows 11 24h2<10.0.26100.9445
Microsoft Windows 11 25h2<10.0.26200.9445
Microsoft Windows 11 25h2<10.0.26200.9445
Microsoft Windows 11 26h1<10.0.28000.2954
Microsoft Windows 11 26h1<10.0.28000.2954
Microsoft Windows Server 2016<10.0.14393.9512
Microsoft Windows Server 2019<10.0.17763.9245
Remediation
Event History
Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·05:18 PM
Data Sourced
via MITRE·05:18 PM
DescriptionSeverity
Data Sourced
via NVD·06:20 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
An attacker must already be authorized on the affected system and exploit the flaw locally. The available data does not indicate that remote exploitation or user interaction is required.
2
What is the potential impact if exploitation succeeds?
Successful exploitation can disclose information from the affected system. The provided severity vector indicates high confidentiality impact, with no stated integrity or availability impact.
3
Which systems are identified as affected?
The affected software list includes Microsoft Windows 10, Windows 11, Windows Server 2016, and Windows Server 2019.