Microsoft Windows 11 26H1 vulnerabilities

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-2026-65799 [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.

CVE-2026-73002 [HIGH] CWE-190 CVE-2026-73002: 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-2026-69687 [HIGH] CWE-191 CVE-2026-69687: Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an au Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.

CVE-2026-69844 [HIGH] CWE-125 CVE-2026-69844: Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.

CVE-2026-69535 [HIGH] CWE-122 CVE-2026-69535: Numeric truncation error in Windows Spaceport.sys allows an authorized attacker to elevate privilege Numeric truncation error in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.

CVE-2026-77489 [HIGH] CWE-476 CVE-2026-77489: Null pointer dereference in Windows Biometric Service allows an authorized attacker to elevate privi Null pointer dereference in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69532 [HIGH] CWE-125 CVE-2026-69532: Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-69608 [HIGH] CWE-190 CVE-2026-69608: Integer overflow or wraparound in Microsoft Windows Search Component allows an authorized attacker t Integer overflow or wraparound in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-69822 [HIGH] CWE-122 CVE-2026-69822: Numeric truncation error in Windows Kerberos allows an authorized attacker to elevate privileges loc Numeric truncation error in Windows Kerberos allows an authorized attacker to elevate privileges locally.

CVE-2026-69312 [HIGH] CWE-125 CVE-2026-69312: Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-70581 [HIGH] CWE-20 CVE-2026-70581: 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-2026-69450 [HIGH] CWE-125 CVE-2026-69450: Out-of-bounds read in Windows Error Reporting allows an authorized attacker to elevate privileges lo Out-of-bounds read in Windows Error Reporting allows an authorized attacker to elevate privileges locally.