CVE-2026-50419: Windows Kernel Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
Other sources
Windows Kernel Information Disclosure 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 6.3.9600.23291Patch KB5099444 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26226Patch KB5099445 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9339Patch KB5099535 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5386Patch KB5099540 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9020Patch KB5099538 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7548Patch KB5099539
Event History
Frequently Asked Questions
What is the severity of CVE-2026-50419?
The severity of CVE-2026-50419 is low with a score of 3.3.
What does CVE-2026-50419 affect?
CVE-2026-50419 affects Microsoft Windows 10, Windows 11, and multiple versions of Windows Server.
How can CVE-2026-50419 be exploited?
CVE-2026-50419 can be exploited by an authorized attacker to disclose sensitive information locally.
What is the impact of CVE-2026-50419?
The impact of CVE-2026-50419 is primarily an information disclosure that could potentially expose sensitive data.
How do I mitigate CVE-2026-50419?
To mitigate CVE-2026-50419, ensure that your Microsoft Windows operating systems are up-to-date with the latest patches.