CVE-2026-83888: Windows CD-ROM Driver Elevation of Privilege Vulnerability
Buffer over-read in Windows CD-ROM Driver allows an unauthorized attacker to elevate privileges over a network.
Other sources
Windows CD-ROM Driver Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
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Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 6.2.9200.26434Patch KB5126835 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
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Fixed in 10.0.17763.9376Patch KB5126651
Event History
Frequently Asked Questions
Which systems should be prioritized for review?
Review Microsoft Windows 10 and Windows 11 endpoints, along with Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025 systems.
What level of access does an attacker need?
The supplied severity vector indicates no privileges are required, exploitation is network-accessible, and user interaction is required. The vulnerability is described as enabling elevation of privilege through a buffer over-read in the Windows CD-ROM Driver.
What is the expected impact if exploitation succeeds?
The provided vector rates confidentiality impact as high, with no integrity or availability impact indicated. Successful exploitation may allow an unauthorized attacker to elevate privileges.