CVE-2026-34343 Windows Application Identity (AppID) Subsystem Elevation of Privilege Vulnerability

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CVE-2026-34343

CVE-2026-34343 describes a heap-based buffer overflow in Windows’ Application Identity (AppID) Subsystem that could enable local privilege escalation by an authorized attacker. Documented impact is local, with required privileges LOW and no user interaction, consistent with CVSS v3.1 base metrics...

CVE-2026-34331 Win32k Elevation of Privilege Vulnerability

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Win32k Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally...

Windows Application Identity (AppID) Subsystem Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Application Identity AppID Subsystem allows an authorized attacker to elevate privileges locally...

Win32k Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally...

Windows Win32k Elevation of Privilege Vulnerability

Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally...

kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's xfrm-ESP and RxRPC subsystems. Unsafe in-place cryptographic processing of shared socket buffer fragments allows a low-privileged local attacker to corrupt page-cache contents of readable files, including sensitive system files, and gain root privileges. The...

PT-2026-40162

Heap-based buffer overflow in Windows Application Identity AppID Subsystem allows an authorized attacker to elevate privileges locally...

PT-2026-40150

Name of the Vulnerable Software and Affected Versions Windows Win32K - GRFX affected versions not specified Description An integer overflow or wraparound in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally to SYSTEM level. Recommendations At the moment, there is n...

PT-2026-40165

Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally...

KB5087537: Windows 10 Version 1607 / Windows Server 2016 Security Update (May 2026)

The remote Windows host is missing security update 5087537. It is, therefore, affected by multiple vulnerabilities - Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network. CVE-2026-41089 - Heap-based buffer overflow in Windows Win32K - GRFX...

KB5087538: Windows 10 version 1809 / Windows Server 2019 Security Update (May 2026)

The remote Windows host is missing security update 5087538. It is, therefore, affected by multiple vulnerabilities - Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network. CVE-2026-41089 - Heap-based buffer overflow in Windows Win32K - GRFX...

KLA91040 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions, gain privileges, execute arbitrary code, obtain sensitive information. Below is a complete list of vulnerabilities: 1. A denial of...

PT-2026-40146

Name of the Vulnerable Software and Affected Versions Windows Win32K - GRFX affected versions not specified Description A race condition occurs in Windows Win32K - GRFX due to improper synchronization when using a shared resource. This allows an authorized attacker to elevate privileges locally t...

USN-8266-1 linux, linux-aws, linux-aws-fips, linux-aws-hwe, linux-azure-4.15, linux-fips, linux-gcp, linux-gcp-4.15, linux-gcp-fips, linux-hwe, linux-kvm, linux-oracle vulnerabilities

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...

SUSE CVE-2026-43459

In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-core: flush delayed work before removing DAIs and widgets When a sound card is unbound while a PCM stream is open, a use-after-free can occur in sndsocdapmstreamevent, called from the closedelayedwork workqueue handler...

USN-8180-6: Linux kernel (Raspberry Pi) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8180-6 linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8200-3 linux-raspi, linux-raspi-5.4 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Cryptographic API; - GPU drivers; - I2C subsystem; - Network traffic control; CVE-2022-49046,...