Microsoft Windows 10 21H2 vulnerabilities
1,584 known vulnerabilities affecting microsoft/windows_10_21h2.
Total CVEs
1,584
CISA KEV
86
actively exploited
Public exploits
31
Exploited in wild
55
Severity breakdown
CRITICAL39HIGH1118MEDIUM421LOW6
Vulnerabilities
Page 28 of 80
CVE-2025-24074HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-24074 [HIGH] CWE-20 CVE-2025-24074: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-27490HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-27490 [HIGH] CWE-122 CVE-2025-27490: Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate pri
Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26665HIGHCVSS 7.0fixed in 10.0.19044.57372025-04-08
CVE-2025-26665 [HIGH] CWE-591 CVE-2025-26665: Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized atta
Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-24060HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-24060 [HIGH] CWE-20 CVE-2025-24060: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26641HIGHCVSS 7.5fixed in 10.0.19044.57372025-04-08
CVE-2025-26641 [HIGH] CWE-400 CVE-2025-26641: Uncontrolled resource consumption in Windows Cryptographic Services allows an unauthorized attacker
Uncontrolled resource consumption in Windows Cryptographic Services allows an unauthorized attacker to deny service over a network.
nvd
CVE-2025-27732HIGHCVSS 7.0fixed in 10.0.19044.57372025-04-08
CVE-2025-27732 [HIGH] CWE-591 CVE-2025-27732: Sensitive data storage in improperly locked memory in Windows Win32K - GRFX allows an authorized att
Sensitive data storage in improperly locked memory in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-27481HIGHCVSS 8.8fixed in 10.0.19044.57372025-04-08
CVE-2025-27481 [HIGH] CWE-121 CVE-2025-27481: Stack-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute
Stack-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-21205HIGHCVSS 8.8fixed in 10.0.19044.57372025-04-08
CVE-2025-21205 [HIGH] CWE-122 CVE-2025-21205: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute c
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-24073HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-24073 [HIGH] CWE-20 CVE-2025-24073: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26674HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-26674 [HIGH] CWE-122 CVE-2025-26674: Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
nvd
CVE-2025-27727HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-27727 [HIGH] CWE-59 CVE-2025-27727: Improper link resolution before file access ('link following') in Windows Installer allows an author
Improper link resolution before file access ('link following') in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26640HIGHCVSS 7.0fixed in 10.0.19044.57372025-04-08
CVE-2025-26640 [HIGH] CWE-415 CVE-2025-26640: Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26673HIGHCVSS 7.5fixed in 10.0.19044.57372025-04-08
CVE-2025-26673 [HIGH] CWE-400 CVE-2025-26673: Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an
Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.
nvd
CVE-2025-27477HIGHCVSS 8.8fixed in 10.0.19044.57372025-04-08
CVE-2025-27477 [HIGH] CWE-122 CVE-2025-27477: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute c
Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-27476HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-27476 [HIGH] CWE-416 CVE-2025-27476: Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26668HIGHCVSS 7.5fixed in 10.0.19044.57372025-04-08
CVE-2025-26668 [HIGH] CWE-122 CVE-2025-26668: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorize
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
nvd
CVE-2025-27467HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-27467 [HIGH] CWE-416 CVE-2025-27467: Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26639HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-26639 [HIGH] CWE-122 CVE-2025-26639: Integer overflow or wraparound in Windows USB Print Driver allows an authorized attacker to elevate
Integer overflow or wraparound in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26648HIGHCVSS 7.8fixed in 10.0.19044.57372025-04-08
CVE-2025-26648 [HIGH] CWE-416 CVE-2025-26648: Sensitive data storage in improperly locked memory in Windows Kernel allows an authorized attacker t
Sensitive data storage in improperly locked memory in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2025-26678HIGHCVSS 8.4fixed in 10.0.19044.57372025-04-08
CVE-2025-26678 [HIGH] CWE-284 CVE-2025-26678: Improper access control in Windows Defender Application Control (WDAC) allows an unauthorized attack
Improper access control in Windows Defender Application Control (WDAC) allows an unauthorized attacker to bypass a security feature locally.
nvd