Microsoft Windows 10 21H2 vulnerabilities
1,830 known vulnerabilities affecting microsoft/windows_10_21h2.
Total CVEs
1,830
CISA KEV
87
actively exploited
Public exploits
54
Exploited in wild
97
Severity breakdown
CRITICAL44HIGH1306MEDIUM473LOW7
Vulnerabilities
Page 79 of 92
CVE-2026-25186P4MEDIUMCVSS 5.5fixed in 10.0.19044.70582026-03-10
CVE-2026-25186 [MEDIUM] CWE-200 CVE-2026-25186: Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure (
Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to disclose information locally.
nvd
CVE-2025-55336P4MEDIUMCVSS 5.5fixed in 10.0.19044.64562025-10-14
CVE-2025-55336 [MEDIUM] CWE-200 CVE-2025-55336: Exposure of sensitive information to an unauthorized actor in Windows Cloud Files Mini Filter Driver
Exposure of sensitive information to an unauthorized actor in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.
nvd
CVE-2025-55325P4MEDIUMCVSS 5.5fixed in 10.0.19044.64562025-10-14
CVE-2025-55325 [MEDIUM] CWE-126 CVE-2025-55325: Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose in
Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose information locally.
nvd
CVE-2025-47160P4MEDIUMCVSS 5.4fixed in 10.0.19044.59652025-06-10
CVE-2025-47160 [MEDIUM] CWE-693 CVE-2025-47160: Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security f
Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
nvd
CVE-2026-42971P4MEDIUMCVSS 5.5fixed in 10.0.19044.74172026-06-09
CVE-2026-42971 [MEDIUM] CWE-200 CVE-2026-42971: Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclos
Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-42969P4MEDIUMCVSS 5.5fixed in 10.0.19044.74172026-06-09
CVE-2026-42969 [MEDIUM] CWE-908 CVE-2026-42969: Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclos
Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-20806P4MEDIUMCVSS 5.5fixed in 10.0.19044.71842026-04-14
CVE-2026-20806 [MEDIUM] CWE-843 CVE-2026-20806: Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized at
Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized attacker to disclose information locally.
nvd
CVE-2026-42973P4MEDIUMCVSS 5.5fixed in 10.0.19044.74172026-06-09
CVE-2026-42973 [MEDIUM] CWE-200 CVE-2026-42973: Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclos
Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-42970P4MEDIUMCVSS 5.5fixed in 10.0.19044.74172026-06-09
CVE-2026-42970 [MEDIUM] CWE-200 CVE-2026-42970: Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclos
Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-45655P4MEDIUMCVSS 5.3fixed in 10.0.19044.74172026-06-09
CVE-2026-45655 [MEDIUM] CWE-693 CVE-2026-45655: Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a securi
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
nvd
CVE-2022-44684P4MEDIUMCVSS 6.5fixed in 10.0.19044.23642023-12-20
CVE-2022-44684 [MEDIUM] CVE-2022-44684: Windows Local Session Manager (LSM) Denial of Service Vulnerability
Windows Local Session Manager (LSM) Denial of Service Vulnerability
nvd
CVE-2023-32037P4MEDIUMCVSS 6.5fixed in 10.0.19041.32082023-07-11
CVE-2023-32037 [MEDIUM] CWE-20 CVE-2023-32037: Windows Layer-2 Bridge Network Driver Information Disclosure Vulnerability
Windows Layer-2 Bridge Network Driver Information Disclosure Vulnerability
nvd
CVE-2025-60708P4MEDIUMCVSS 6.5fixed in 10.0.19044.65752025-11-11
CVE-2025-60708 [MEDIUM] CWE-822 CVE-2025-60708: Untrusted pointer dereference in Storvsp.sys Driver allows an authorized attacker to deny service lo
Untrusted pointer dereference in Storvsp.sys Driver allows an authorized attacker to deny service locally.
nvd
CVE-2025-21202P4MEDIUMCVSS 6.1fixed in 10.0.19044.53712025-01-14
CVE-2025-21202 [MEDIUM] CWE-284 CVE-2025-21202: Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
nvd
CVE-2025-29974P4MEDIUMCVSS 5.7fixed in 10.0.19044.58542025-05-13
CVE-2025-29974 [MEDIUM] CWE-125 CVE-2025-29974: Integer underflow (wrap or wraparound) in Windows Kernel allows an unauthorized attacker to disclose
Integer underflow (wrap or wraparound) in Windows Kernel allows an unauthorized attacker to disclose information over an adjacent network.
nvd
CVE-2025-53136P4MEDIUMCVSS 5.5fixed in 10.0.19044.62162025-08-12
CVE-2025-53136 [MEDIUM] CWE-200 CVE-2025-53136: Exposure of sensitive information to an unauthorized actor in Windows NT OS Kernel allows an authori
Exposure of sensitive information to an unauthorized actor in Windows NT OS Kernel allows an authorized attacker to disclose information locally.
nvd
CVE-2025-53799P4MEDIUMCVSS 5.5fixed in 10.0.19044.63322025-09-09
CVE-2025-53799 [MEDIUM] CWE-908 CVE-2025-53799: Use of uninitialized resource in Windows Imaging Component allows an unauthorized attacker to disclo
Use of uninitialized resource in Windows Imaging Component allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-20932P4MEDIUMCVSS 5.5fixed in 10.0.19044.68092026-01-13
CVE-2026-20932 [MEDIUM] CWE-200 CVE-2026-20932: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-20823P4MEDIUMCVSS 5.5fixed in 10.0.19044.68092026-01-13
CVE-2026-20823 [MEDIUM] CWE-200 CVE-2026-20823: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-20862P4MEDIUMCVSS 5.5fixed in 10.0.19044.68092026-01-13
CVE-2026-20862 [MEDIUM] CWE-200 CVE-2026-20862: Exposure of sensitive information to an unauthorized actor in Windows Management Services allows an
Exposure of sensitive information to an unauthorized actor in Windows Management Services allows an authorized attacker to disclose information locally.
nvd