Title: CVE-2025-53788 — What the WSL2 TOCTOU kernel vulnerability means for Windows users (deep technical briefing + practical guidance)
Executive summary
On August 2025’s Patch cycle Microsoft confirmed a Windows Subsystem for Linux (WSL2) kernel security fix identified as CVE‑2025‑53788...
cve-2025-53788
edr
enterprise security
hardening
incident response
kernel security
least privilege
local privilegeescalation
msrc
open source wsl
patch tuesday
privilegeescalation
security update
toctou
vm id
windows security
windows subsystem for linux
wsl
wsl2
wslinfo
Microsoft’s Security Response Center (MSRC) has cataloged CVE-2025-50155 as an Elevation of Privilege (EoP) vulnerability in the Windows Push Notifications Apps component described as “Access of resource using incompatible type (‘type confusion’).” The issue allows an authorized local attacker —...
app control
cve-2025-50155
edr
elevation of privilege
endpoint security
incident response
least privilege
local eop
memory safety
microsoft update catalog
msrc advisory
patch management
privilegeescalation
security update guide
type confusion
windows push notifications
windows security
wpnservice
wpnuserservice
Microsoft’s security advisory confirms a new Kerberos vulnerability — CVE-2025-53779 — described as a relative path traversal flaw in Windows Kerberos that can be abused by an authorized attacker over a network to elevate privileges, and organizations that rely on Kerberos-based authentication...
Microsoft’s Security Update Guide lists CVE-2025-53778 as an improper authentication vulnerability in the Windows NTLM implementation that can allow an authorized attacker to elevate privileges over a network, and administrators should treat it as a high-priority authentication risk until every...
Microsoft’s advisory for CVE-2025-53726 warns that a type‑confusion bug in the Windows Push Notifications stack can allow an authorized local user to elevate privileges to SYSTEM, and administrators must treat the advisory as a high‑priority patching item while hardening detection and...
cve-2025-53726
cyber hygiene
edr
eop
incident response
least privilege
local attack
memory corruption
patch management
patching
privilegeescalation
threat detection
threat intel
type confusion
win32k
windows 10
windows 11
windows push notifications
windows security
windows server
A newly reported elevation‑of‑privilege issue tied to Windows push/notification components has reignited concern about memory‑safety defects in user‑facing Windows subsystems — however, the precise CVE identifier you provided (CVE‑2025‑53725) could not be independently verified in public vendor...
cve-2022-29125
cve-2025-49725
edr detection
elevation of privilege
exploit chain
local attack
memory safety
msrc
patch management
privilegeescalation
security update guide
type confusion
use after free
vulnerability research
win32k
windows notification service
windows push notifications
wpnservice
wpnuserservice
Microsoft’s Security Update Guide entry for CVE-2025-53718 describes a use‑after‑free (UAF) flaw in the Windows Ancillary Function Driver for WinSock (AFD.sys) that can be triggered by a locally authorized user to obtain elevated privileges on affected Windows hosts — a kernel‑level...
Microsoft’s Security Response Guide flags a null-pointer dereference in the Windows Ancillary Function Driver for WinSock (AFD.sys) that, when reached by a local, authorized user, can be weaponized into an elevation‑of‑privilege to SYSTEM — a high‑impact kernel vulnerability that demands...
A heap‑based buffer overflow in Windows Hyper‑V allows a locally authorized attacker to elevate privileges on an affected host — administrators must treat this as a high‑priority patching and hardening task and verify vendor guidance before rolling changes into production. (msrc.microsoft.com)...
Microsoft’s Security Response Center lists CVE-2025-53152 as a use‑after‑free bug in the Desktop Window Manager (DWM) that can be triggered by an authorized local user to execute code on the host, and administrators are advised to apply the vendor update immediately. (msrc.microsoft.com)...
cve-2025-53152
desktop window manager
dwm vulnerability
edr detection
gpu compositor
incident response
local privilegeescalation
memory corruption
msrc update guide
patch management
patch rollout
privilegeescalation
security advisory
use-after-free
vulnerability management
windows 10
windows 11
windows patch
windows security
windows server
Microsoft’s Security Update Guide lists CVE‑2025‑53151 as a use‑after‑free vulnerability in the Windows kernel that can be abused by an authorized local user to elevate privileges on an affected system, and Microsoft’s published advisory directs administrators to install the supplied security...
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...
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...
Microsoft’s Security Response Center has published an advisory for CVE‑2025‑53140, a use‑after‑free vulnerability in the Windows Kernel Transaction Manager (KTM) that Microsoft says can be exploited by an authorized local attacker to elevate privileges on an affected system. (msrc.microsoft.com)...
A use‑after‑free vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys), tracked as CVE-2025-53137, can be abused by an authorized local user to escalate privileges to SYSTEM on affected Windows hosts — a high‑impact kernel vulnerability that follows a string of similar AFD...
Below is a comprehensive technical brief on CVE-2025-53135 (DirectX Graphics Kernel — elevation of privilege via a race condition). I searched Microsoft’s Security Update Guide and the public vulnerability databases for corroborating information; where vendor-provided details are available I...
Microsoft's Security Update Guide lists CVE-2025-53136 as a Windows NT OS Kernel information disclosure vulnerability that can allow an authorized local attacker to read sensitive kernel-resident data after certain processor optimizations remove or modify security‑critical code paths. The...
cve-2025-53136
edr
forensics
information disclosure
kaslr
lcu
local attack
memory disclosure
nt kernel
patch tuesday
privilegeescalation
security patch
ssu
threat mitigation
windows kernel
windows update
Microsoft’s advisory for CVE‑2025‑50167 warns that a race condition in Windows Hyper‑V can be abused by an authorized local attacker to elevate privileges on affected hosts — a kernel‑level flaw that demands immediate attention from administrators, cloud operators, and anyone running Hyper‑V...
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...
Microsoft has assigned CVE-2025-50168 to a Windows kernel vulnerability in the Win32K ICOMP component described as "Access of resource using incompatible type ('type confusion')" that can allow an authorized local user to elevate privileges; Microsoft’s advisory is published in the Security...
cve-2025-50168
detection and mitigation
exploit techniques
icomp
incident response
kernel exploitation
local privilegeescalation
memory safety
microsoft advisory
patch tuesday 2025
privilegeescalation
security update guide
threat intelligence
type confusion
win32k
windows
windows kernel
windows security