CVE-2026-50416-writeup-and-poc

CVE-2026-50416: a kernel address in the desktop heap On the affected system, this read from the user mapping of the Win32 desktop heap returned a kernel address: ULONG64 leaked = ULONG64 desktopheap + 0x100; That is the whole disclosure. At first it was only an eight-byte value with convincing hi...

CVE-2016-3308

Use CVE-2016-3308 corrupt win32k desktop heap author : @55-AA, Sept 18, 2016 Introduction Desktop heap is a kernel pool used by win32k, it can be exploited by user-mode application. Here I will describe in detail how to implement a reliable exploitation so that to read/write arbitrary address in...

Exploit for CVE-2026-50416

CVE-2026-50416: a kernel pointer on every desktop, readable fr...

KB5095051: Windows 11 Version 26H1 Security Update (June 2026)

The remote Windows host is missing security update 5095051. It is, therefore, affected by multiple vulnerabilities - Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network. CVE-2026-42909, CVE-2026-42913, CVE-2026-42985, CVE-2026-42992,...

CVE-2025-54211

InDesign Desktop versions 20.4, 19.5.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file...

CVE-2025-54209 InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

InDesign Desktop versions 20.4, 19.5.4 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file...

Microsoft Windows本地提权漏洞（CVE-2021-1732）

CVE-2021-1732: win32kfull xxxCreateWindowEx callback out-of-bounds Mar 25, 2021 • iamelli0t CVE-2021-1732 is a 0-Day vulnerability exploited by the BITTER APT organization in one operation which was disclosed in February this year123. This vulnerability exploits a user mode callback opportunity i...

Veeam Agent backup job fails with "Failed to call RPC function 'TestCompatible': Error code: 0x80070008. Cannot initialize COM runtime" error

Challenge A Veeam Agent backup job managed by the backup server fails with the following error: Processing Error: Failed to call RPC function 'TestCompatible': Error code: 0x80070008. Cannot initialize COM runtime. Cause When a backup job starts, Veeam Backup & Replication connects to the Veeam...

Microsoft Windows win32k - Using SetClassLong to Switch Between CS_CLASSDC and CS_OWNDC Corrupts DC

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1389&desc=6 Windows maintains a DC cache in win32kbase!gpDispInfo-pdceFirst. If you create multiple windows from a shared class while switching between CSOWNDC and CSCLASSDC, you c...

Job Fails to Start Due to Timeout Caused by Desktop Heap Allocation Failure

Article Applicability The timeout error displayed in Veeam Backup & Replication can be caused by various factors. This article explicitly addresses a scenario where the Windows OS experiences a 'heap allocation' failure. Please note that the solution provided in this article is only applicable if...

MS15-061 Windows NTUserMessageCall Win32k Kernel Pool Overflow (Schlamperei)

No description provided by source. include include / Exploiting MS15-061 with reverse engineering Win32k.sys by steps : 1: hook PEB callback Function 2: trigger vulnerability make proper Window to lead vulnerable function 3: replace fake object with NtUserDefSetText in Desktop heap inside PEB...