Vuldb Updates

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.

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.

A vulnerability, which was classified as critical, was found in Microsoft Windows 11 24H2/11 25H2/11 26H1/Server 2025. This affects an unknown part of the component Kernel. The manipulation results in heap-based buffer overflow. This vulnerability is known as CVE-2026-21245. Attacking locally is a requirement. No exploit is available. It is best practice to apply a patch to resolve this issue.

A vulnerability, which was classified as critical, has been found in Microsoft Windows. Affected by this issue is some unknown functionality of the component Hyper-V. The manipulation leads to heap-based buffer overflow. This vulnerability is traded as CVE-2026-21244. An attack has to be approached locally. There is no exploit available. Applying a patch is the recommended action to fix this issue.

A vulnerability classified as critical was found in Microsoft Windows Server 2019/Server 2022/Server 2022 23H2/Server 2025. Affected by this vulnerability is an unknown functionality of the component Lightweight Directory Access Protocol. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2026-21243. The attack may be performed from remote. There is no available exploit. It is advisable to implement a patch to correct this issue.

A vulnerability classified as critical has been found in Microsoft Windows up to Server 2025. Affected is an unknown function of the component Subsystem for Linux. Performing a manipulation results in use after free. This vulnerability is reported as CVE-2026-21242. The attack requires a local approach. No exploit exists. To fix this issue, it is recommended to deploy a patch.

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.

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.

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.

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.

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.

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.

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.

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.

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.

A vulnerability, which was classified as critical, has been found in Microsoft Azure. This impacts an unknown function. Performing a manipulation results in improper certificate validation. This vulnerability is known as CVE-2026-21228. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

A vulnerability classified as problematic was found in Microsoft Windows. This affects an unknown function of the component Kernel. Such manipulation leads to sensitive information in log files. This vulnerability is traded as CVE-2026-21222. An attack has to be approached locally. There is no exploit available. It is best practice to apply a patch to resolve this issue.

A vulnerability described as critical has been identified in Microsoft Windows. The affected element is an unknown function of the component GDI+. The manipulation results in buffer over-read. This vulnerability is reported as CVE-2026-20846. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

A vulnerability was found in Linux Kernel up to 6.1.159/6.6.119/6.12.63/6.18.2/6.19-rc2. It has been rated as critical. Impacted is the function get_meter_levels_from_urb of the component ALSA. The manipulation leads to privilege escalation. This vulnerability is uniquely identified as CVE-2025-68783. The attack can only be initiated within the local network. No exploit exists. Upgrading the affected component is advised.

A vulnerability labeled as critical has been found in Linux Kernel up to 6.1.159/6.6.119/6.12.63/6.18.2/6.19-rc1. This affects the function push_nsh. Executing a manipulation can lead to out-of-bounds read. This vulnerability is tracked as CVE-2025-68785. The attack is only possible within the local network. No exploit exists. The affected component should be upgraded.