Microsoft Windows 11 Version 26H1 vulnerabilities

CVE-2026-108136 [HIGH] CWE-416 CVE-2026-108136: Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privil Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-83587 [HIGH] CWE-822 CVE-2026-83587: Untrusted pointer dereference in Windows Core Messaging allows an authorized attacker to elevate pri Untrusted pointer dereference in Windows Core Messaging allows an authorized attacker to elevate privileges locally.

CVE-2026-70177 [HIGH] CWE-20 CVE-2026-70177: Numeric truncation error in Microsoft Windows Search Component allows an authorized attacker to elev Numeric truncation error in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-83585 [HIGH] CWE-134 CVE-2026-83585: Use of externally-controlled format string in Windows NTFS allows an authorized attacker to elevate Use of externally-controlled format string in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-45607 [HIGH] CWE-125 CVE-2026-45607: Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally. Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

CVE-2026-105004 [HIGH] CWE-125 CVE-2026-105004: Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to elevate privileges loc Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-83832 [HIGH] CWE-125 CVE-2026-83832: Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges loca Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.

CVE-2026-96931 [HIGH] CWE-822 CVE-2026-96931: Untrusted pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges lo Untrusted pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-103553 [HIGH] CWE-125 CVE-2026-103553: Out-of-bounds read in Windows Partition Management Driver allows an authorized attacker to elevate p Out-of-bounds read in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-96324 [HIGH] CWE-416 CVE-2026-96324: Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privil Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-24290 [HIGH] CWE-284 CVE-2026-24290: Improper access control in Windows Projected File System allows an authorized attacker to elevate pr Improper access control in Windows Projected File System allows an authorized attacker to elevate privileges locally.

CVE-2026-70123 [HIGH] CWE-122 CVE-2026-70123: Numeric truncation error in Microsoft Graphics Component allows an authorized attacker to elevate pr Numeric truncation error in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

CVE-2026-83568 [HIGH] CWE-862 CVE-2026-83568: Improper access control in Windows Kernel-Mode Drivers allows an authorized attacker to elevate priv Improper access control in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-85850 [HIGH] CWE-763 CVE-2026-85850: Release of invalid pointer or reference in Windows Kernel allows an authorized attacker to elevate p Release of invalid pointer or reference in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-65799 [HIGH] CWE-122 CVE-2026-65799: Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges lo Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges locally.

CVE-2026-77503 [HIGH] CWE-125 CVE-2026-77503: Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally. Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

CVE-2026-69295 [HIGH] CWE-20 CVE-2026-69295: Out-of-bounds read in Windows USB Driver allows an authorized attacker to elevate privileges locally Out-of-bounds read in Windows USB Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69738 [HIGH] CWE-122 CVE-2026-69738: Integer overflow or wraparound in Windows Biometric Service allows an authorized attacker to elevate Integer overflow or wraparound in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69900 [HIGH] CWE-822 CVE-2026-69900: Untrusted pointer dereference in Kernel Streaming WOW Thunk Service Driver allows an authorized atta Untrusted pointer dereference in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69707 [HIGH] CWE-190 CVE-2026-69707: Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys) allows an authorized Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.