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CVE-2026-21250 | Microsoft Windows HTTP.sys untrusted pointer dereference

VulDB Recent Entries
1 day 1 hour ago
A vulnerability was found in Microsoft Windows 11 24H2/11 25H2/11 26H1/Server 2022 23H2/Server 2025. It has been rated as critical. The impacted element is an unknown function in the library HTTP.sys. The manipulation leads to untrusted pointer dereference. This vulnerability is referenced as CVE-2026-21250. The attack can only be performed from a local environment. No exploit is available. To fix this issue, it is recommended to deploy a patch.
vuldb.com

CVE-2026-21241 | Microsoft Windows up to Server 2025 Ancillary Function Driver for WinSock use after free

Vuldb Updates
1 day 1 hour ago
A vulnerability described as critical has been identified in Microsoft Windows up to Server 2025. This impacts an unknown function of the component Ancillary Function Driver for WinSock. Such manipulation leads to use after free. This vulnerability is documented as CVE-2026-21241. The attack needs to be performed locally. There is not any exploit available. A patch should be applied to remediate this issue.
vuldb.com

CVE-2026-21249 | Microsoft Windows up to Server 2025 NTLM file inclusion

VulDB Recent Entries
1 day 1 hour ago
A vulnerability was found in Microsoft Windows. It has been declared as problematic. The affected element is an unknown function of the component NTLM. Executing a manipulation can lead to file inclusion. The identification of this vulnerability is CVE-2026-21249. The attack can only be executed locally. There is no exploit available. A patch should be applied to remediate this issue.
vuldb.com

CVE-2026-21248 | Microsoft Windows up to Server 2025 Hyper-V heap-based overflow

VulDB Recent Entries
1 day 1 hour ago
A vulnerability was found in Microsoft Windows. It has been classified as critical. Impacted is an unknown function of the component Hyper-V. Performing a manipulation results in heap-based buffer overflow. This vulnerability was named CVE-2026-21248. The attack needs to be approached locally. There is no available exploit. It is suggested to install a patch to address this issue.
vuldb.com

CVE-2026-21239 | Microsoft Windows up to Server 2025 Kernel heap-based overflow

Vuldb Updates
1 day 1 hour ago
A vulnerability labeled as critical has been found in Microsoft Windows. The impacted element is an unknown function of the component Kernel. The manipulation results in heap-based buffer overflow. This vulnerability is cataloged as CVE-2026-21239. The attack must be initiated from a local position. There is no exploit available. Applying a patch is advised to resolve this issue.
vuldb.com

CVE-2026-21238 | Microsoft Windows up to Server 2025 Ancillary Function Driver for WinSock access control

Vuldb Updates
1 day 1 hour ago
A vulnerability identified as critical has been detected in Microsoft Windows. The affected element is an unknown function of the component Ancillary Function Driver for WinSock. The manipulation leads to improper access controls. This vulnerability is listed as CVE-2026-21238. The attack must be carried out locally. There is no available exploit. It is recommended to apply a patch to fix this issue.
vuldb.com

CVE-2026-21247 | Microsoft Windows up to Server 2025 Hyper-V heap-based overflow

VulDB Recent Entries
1 day 1 hour ago
A vulnerability was found in Microsoft Windows and classified as critical. This issue affects some unknown processing of the component Hyper-V. Such manipulation leads to heap-based buffer overflow. This vulnerability is uniquely identified as CVE-2026-21247. Local access is required to approach this attack. No exploit exists. Applying a patch is advised to resolve this issue.
vuldb.com

CVE-2026-21237 | Microsoft Windows up to Server 2025 Subsystem for Linux race condition

Vuldb Updates
1 day 1 hour ago
A vulnerability categorized as critical has been discovered in Microsoft Windows up to Server 2025. Impacted is an unknown function of the component Subsystem for Linux. Executing a manipulation can lead to race condition. This vulnerability is tracked as CVE-2026-21237. The attack is restricted to local execution. No exploit exists. It is best practice to apply a patch to resolve this issue.
vuldb.com

CVE-2026-21246 | Microsoft Windows up to Server 2025 Graphics heap-based overflow

VulDB Recent Entries
1 day 1 hour ago
A vulnerability has been found in Microsoft Windows and classified as critical. This vulnerability affects unknown code of the component Graphics. This manipulation causes heap-based buffer overflow. This vulnerability is handled as CVE-2026-21246. It is possible to launch the attack on the local host. There is not any exploit available. It is recommended to apply a patch to fix this issue.
vuldb.com

CVE-2026-21236 | Microsoft Windows up to Server 2025 Ancillary Function Driver for WinSock heap-based overflow

Vuldb Updates
1 day 1 hour ago
A vulnerability was found in Microsoft Windows. It has been rated as critical. This issue affects some unknown processing of the component Ancillary Function Driver for WinSock. Performing a manipulation results in heap-based buffer overflow. This vulnerability is identified as CVE-2026-21236. The attack is only possible with local access. There is not any exploit available. Applying a patch is the recommended action to fix this issue.
vuldb.com

CVE-2026-21235 | Microsoft Windows up to Server 2022 Graphics use after free

Vuldb Updates
1 day 1 hour ago
A vulnerability was found in Microsoft Windows. It has been declared as critical. This vulnerability affects unknown code of the component Graphics. Such manipulation leads to use after free. This vulnerability is referenced as CVE-2026-21235. The attack can only be performed from a local environment. No exploit is available. It is advisable to implement a patch to correct this issue.
vuldb.com

CVE-2026-21234 | Microsoft Windows up to Server 2025 Connected Devices Platform Service race condition

Vuldb Updates
1 day 1 hour ago
A vulnerability was found in Microsoft Windows. It has been classified as critical. This affects an unknown part of the component Connected Devices Platform Service. This manipulation causes race condition. The identification of this vulnerability is CVE-2026-21234. The attack can only be executed locally. There is no exploit available. To fix this issue, it is recommended to deploy a patch.
vuldb.com

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1 day 1 hour ago

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Microsoft Patch Tuesday February 2026 – 54 Vulnerabilities Fixed, Including 6 Zero-days

Cyber Security News
1 day 1 hour ago

Microsoft released its February 2026 Patch Tuesday updates on February 10, addressing 54 vulnerabilities, including six zero-days across Windows, Office, Azure, and developer tools. The updates fix issues in products like Windows Remote Desktop Services, Microsoft Defender, Azure services, GitHub Copilot, Visual Studio Code, Microsoft Exchange, and Office apps. Severity ratings include two Critical flaws […]

The post Microsoft Patch Tuesday February 2026 – 54 Vulnerabilities Fixed, Including 6 Zero-days appeared first on Cyber Security News.

Guru Baran

CVE-2026-21232 | Microsoft Windows up to Server 2025 HTTP.sys untrusted pointer dereference

Vuldb Updates
1 day 1 hour ago
A vulnerability was found in Microsoft Windows up to Server 2025 and classified as critical. Affected by this issue is some unknown functionality in the library HTTP.sys. The manipulation results in untrusted pointer dereference. This vulnerability was named CVE-2026-21232. The attack needs to be approached locally. There is no available exploit. A patch should be applied to remediate this issue.
vuldb.com

CVE-2026-21231 | Microsoft Windows up to Server 2025 Kernel race condition

Vuldb Updates
1 day 1 hour ago
A vulnerability has been found in Microsoft Windows and classified as critical. Affected by this vulnerability is an unknown functionality of the component Kernel. The manipulation leads to race condition. This vulnerability is uniquely identified as CVE-2026-21231. Local access is required to approach this attack. No exploit exists. It is suggested to install a patch to address this issue.
vuldb.com

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