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Known vulnerabilities in Microsoft Windows 10 Version 21H2

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CVE Summary Score Published
CVE-2025-26670 Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code… 8.1 High Apr 8, 2025
CVE-2025-26644 Automated recognition mechanism with inadequate detection or handling of adversarial input perturbations in Windows… 5.1 Medium Apr 8, 2025
CVE-2025-26648 Sensitive data storage in improperly locked memory in Windows Kernel allows an authorized attacker to elevate privileges… 7.8 High Apr 8, 2025
CVE-2025-26641 Uncontrolled resource consumption in Windows Cryptographic Services allows an unauthorized attacker to deny service over… 7.5 High Apr 8, 2025
CVE-2025-26640 Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally 7.0 High Apr 8, 2025
CVE-2025-26635 Weak authentication in Windows Hello allows an authorized attacker to bypass a security feature over a network 6.5 Medium Apr 8, 2025
CVE-2025-26637 Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a… 6.8 Medium Apr 8, 2025
CVE-2025-26639 Integer overflow or wraparound in Windows USB Print Driver allows an authorized attacker to elevate privileges locally 7.8 High Apr 8, 2025
CVE-2025-24058 Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Apr 8, 2025
CVE-2025-21222 Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network 8.8 High Apr 8, 2025
CVE-2025-21221 Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network 8.8 High Apr 8, 2025
CVE-2025-21204 Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker… 7.8 High Apr 8, 2025
CVE-2025-21205 Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network 8.8 High Apr 8, 2025
CVE-2025-21191 Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized… 7.0 High Apr 8, 2025
CVE-2025-21197 Improper access control in Windows NTFS allows an authorized attacker to disclose file path information under a folder… 6.5 Medium Apr 8, 2025
CVE-2025-24073 Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Apr 8, 2025
CVE-2025-29824 Exploited Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability 7.8 High Apr 8, 2025
CVE-2025-24074 Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally 7.8 High Apr 8, 2025
CVE-2025-27742 Out-of-bounds read in Windows NTFS allows an unauthorized attacker to disclose information locally 5.5 Medium Apr 8, 2025
CVE-2025-27478 Heap-based buffer overflow in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges… 7.0 High Apr 8, 2025
CVE-2025-27477 Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network 8.8 High Apr 8, 2025
CVE-2025-27476 Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally 7.8 High Apr 8, 2025
CVE-2025-27473 Uncontrolled resource consumption in Windows HTTP.sys allows an unauthorized attacker to deny service over a network 7.5 High Apr 8, 2025
CVE-2025-27471 Sensitive data storage in improperly locked memory in Microsoft Streaming Service allows an unauthorized attacker to… 5.9 Medium Apr 8, 2025
CVE-2025-26688 Stack-based buffer overflow in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges locally 7.8 High Apr 8, 2025

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