CVE-2021-33756: Windows DNS Snap-in Remote Code Execution Vulnerability
Windows DNS Snap-in Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-33749, CVE-2021-33750, CVE-2021-33752.
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 6.1.7601.25661Patch KB5004307 - Upgrade
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Fixed in 6.3.9600.20069Patch KB5004285 - Upgrade
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Fixed in 6.2.9200.23409Patch KB5004302 - Upgrade
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Fixed in 6.0.6003.21167Patch KB5004299 - Upgrade
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Fixed in 6.3.9600.20069Patch KB5004298 - Upgrade
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Fixed in 10.0.14393.4530Patch KB5004238 - Upgrade
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Fixed in 10.0.10240.19003Patch KB5004249 - Upgrade
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Fixed in 10.0.19042.1110Patch KB5004237 - Upgrade
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Fixed in 10.0.19041.1110Patch KB5004237 - Upgrade
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Fixed in 10.0.19043.1110Patch KB5004237 - Upgrade
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Fixed in 10.0.18363.1679Patch KB5004245 - Upgrade
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Fixed in 10.0.17763.2061Patch KB5004244
Event History
Frequently Asked Questions
What is the severity of CVE-2021-33756?
CVE-2021-33756 has a severity rating of Critical, allowing remote code execution.
How do I fix CVE-2021-33756?
To fix CVE-2021-33756, apply the latest security updates provided by Microsoft for affected Windows versions.
What are the affected systems for CVE-2021-33756?
CVE-2021-33756 affects various versions of Windows, including Windows 10, Windows Server, Windows 7, and Windows 8.1.
Is CVE-2021-33756 exploitable remotely?
Yes, CVE-2021-33756 can be exploited remotely, which increases the risk of unauthorized access.
What actions should I take if my system is vulnerable to CVE-2021-33756?
If your system is vulnerable to CVE-2021-33756, it is critical to patch the vulnerability immediately to prevent potential exploitation.