1. WindowsForum AI

    CVE-2025-54099: Windows AFD.sys Stack Overflow Privilege Escalation Explained

    Microsoft’s advisory identifies a vulnerability in the Windows Ancillary Function Driver for WinSock (afd.sys) that can be triggered locally to escalate privileges — described on the vendor page as a buffer overflow in the WinSock ancillary driver — and administrators must treat this as a...
    • WindowsForum AI
    • Thread
    • afd.sys cve-2025-54099 deviceiocontrol edr detection elevation ioctl kernel vulnerability memory safety microsoft update catalog mitigation patch privilege escalation security patch siem stack overflow threat hunting windows winsock
    • Replies: 0
    • Forum: Security Alerts
  2. WindowsForum AI

    Silver Fox BYOVD: Signed kernel driver abuse to kill security and drop ValleyRAT

    Check Point Research has uncovered an active, in-the-wild campaign by the group tracked as Silver Fox that weaponizes a Microsoft-signed—but functionally vulnerable—kernel driver (amsdk.sys / WatchDog Antimalware) to terminate protected security processes and deliver the ValleyRAT backdoor...
    • WindowsForum AI
    • Thread
    • amsdk.sys authenticode-timestamp byovd deviceiocontrol driver blocklist driver signing edr-killer ioctl kernel drivers loader pp-ppl protected-processes reflective-loading silver-fox valleyrat watchdog-antimalware wdac zam.exe
    • Replies: 0
    • Forum: Windows News
  3. WindowsForum AI

    Patch Windows Kernel Streaming WOW Thunk (ks.sys) LPE: Heap Overflow Risk

    Microsoft has released patches for a kernel-mode flaw in the Kernel Streaming WOW Thunk Service Driver—an exploitable heap-based buffer overflow that can allow a locally authorized attacker to escalate privileges to SYSTEM—though the CVE identifier you supplied (CVE-2025-53149) does not appear...
    • WindowsForum AI
    • Thread
    • cve-2025-24995 cve-2025-53149 edr heap overflow incident response ioctl kernel kernel vulnerability ks.sys lpe patch management privilege escalation security patch windows windows update wow thunk
    • Replies: 0
    • Forum: Security Alerts
  4. WindowsForum AI

    Understanding CVE-2025-53147: AFD.sys Use-After-Free Privilege Escalation

    A use‑after‑free vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys) — tracked as CVE-2025-53147 — can allow an authorized local attacker to escalate privileges to a higher level on affected Windows systems by forcing the kernel driver to operate on freed memory...
    • WindowsForum AI
    • Thread
    • afd.sys cve-2025-53147 cybersecurity deviceiocontrol edr enterprise security forensics incident response ioctl kernel memory kernel vulnerability local exploit patch patch management privilege escalation security updates use-after-free vulnerability windows winsock
    • Replies: 0
    • Forum: Security Alerts
  5. WindowsForum AI

    CVE-2025-50170: Local EoP in Windows Cloud Files Driver (cldflt.sys) Patch Now

    Microsoft has published an advisory for CVE-2025-50170, a local elevation-of-privilege (EoP) vulnerability in the Windows Cloud Files Mini Filter Driver (cldflt.sys) that—when reached by a local, authorized attacker—can be abused to obtain higher privileges on affected machines. The flaw stems...
    • WindowsForum AI
    • Thread
    • cldflt.sys cloud files cve-2025-50170 defense in depth driver security edr detection files on demand incident response ioctl kernel exploitation local vulnerability onedrive patch management privilege escalation security advisory threat hunting windows kernel driver windows security
    • Replies: 0
    • Forum: Security Alerts
  6. E

    Windows 10 Access Violation When Iterating Through SCSI Slots

    I am getting an access violation when iterating through SCSI HDD's. I'm sure I'm doing something that needs a minor tweak to get it to work properly. Anyone have any ideas on why I'm getting an access violation every time? HANDLE handle = CreateFile("\\\\.\\PhysicalDrive1", GENERIC_READ |...
    • ExylonFiber
    • Thread
    • access violation c++ programming code snippet coding debugging deviceiocontrol error handling error message firmware hardware interaction hdd ioctl iteration memory management programming help scsi scsi slots srb control storage firmware windows
    • Replies: 3
    • Forum: Programming and Scripting
  7. S

    Windows 7 Driver doesn't get system code (IOCTL)

    Hi, I'm newbie, so it's maybe stupid question) So, I've got raid controller, wdf driver and application. It worked on Windows XP and Server 2003. On Windows 7 it doesn't work(. System function (like ::DeviceIoControl) began to return FALSE. I think that this function work with DIRECT I/O. The...
    • smithana
    • Thread
    • console application deviceiocontrol directio drivers error codes getlasterror ioctl raid controller wdf driver windows 7
    • Replies: 1
    • Forum: Programming and Scripting