CVE-2021-34491: Win32k Information Disclosure Vulnerability
Win32k Information Disclosure Vulnerability
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 6.3.9600.20069Patch KB5004285 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.4530Patch KB5004238 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.20069Patch KB5004298 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.10240.19003Patch KB5004249 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19042.1110Patch KB5004237 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19043.1110Patch KB5004237 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19041.1110Patch KB5004237 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.2061Patch KB5004244 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.18363.1679Patch KB5004245
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34491?
CVE-2021-34491 has a severity rating of Important, indicating a significant risk of information disclosure.
How do I fix CVE-2021-34491?
The recommended fix for CVE-2021-34491 is to apply the latest security updates provided by Microsoft for affected versions of Windows.
Which versions of Windows are affected by CVE-2021-34491?
CVE-2021-34491 affects multiple versions, including Windows 10, Windows 8.1, and certain Windows Server editions.
What type of vulnerability is CVE-2021-34491?
CVE-2021-34491 is classified as a Win32k Information Disclosure Vulnerability.
What are the potential impacts of CVE-2021-34491?
Exploitation of CVE-2021-34491 could lead to unauthorized access to sensitive information from the operating system.