Microsoft Windows 10 Version 21H2 vulnerabilities
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Published CVEs affecting Microsoft Windows 10 Version 21H2: 2576 record(s), with affected versions and fixes.
CVE-2026-69880
High · 7.8
CWE-843 Oct 13, 2026
Desktop Window Manager Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-69867
High · 7.8
CWE-125 Oct 13, 2026
SQLite Elevation of Privilege Vulnerability
Out-of-bounds read in SQLite allows an authorized attacker to elevate privileges locally.
CVE-2026-69856
High · 7.0
CWE-362 Oct 13, 2026
Windows Storage Elevation of Privilege Vulnerability
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
CVE-2026-69850
High · 7.8
CWE-822 Oct 13, 2026
Windows Certificates Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Certificates allows an authorized attacker to elevate privileges locally.
CVE-2026-69840
High · 7.0
CWE-416 Oct 13, 2026
Windows Certificates Elevation of Privilege Vulnerability
Use after free in Windows Certificates allows an authorized attacker to elevate privileges locally.
CVE-2026-69798
High · 7.8
CWE-416 Oct 13, 2026
Windows Wired AutoConfig Service Elevation of Privilege Vulnerability
Use after free in Windows Wired AutoConfig Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69795
High · 7.0
CWE-476 Oct 13, 2026
Windows Clipboard Server Elevation of Privilege Vulnerability
Null pointer dereference in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.
CVE-2026-69789
High · 7.5
CWE-122 Oct 13, 2026
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-69766
High · 7.0
CWE-362 Oct 13, 2026
Windows Storage Elevation of Privilege Vulnerability
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
CVE-2026-69763
High · 7.0
CWE-362 Oct 13, 2026
Windows Storage Elevation of Privilege Vulnerability
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
CVE-2026-69736
High · 7.0
CWE-362 Oct 13, 2026
Windows Credential Manager Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Credential Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-69721
Medium · 5.5
CWE-125 Oct 13, 2026
Windows iSCSI Information Disclosure Vulnerability
Out-of-bounds read in Windows iSCSI allows an authorized attacker to disclose information locally.
CVE-2026-69705
Critical · 9.8
CWE-787 Oct 13, 2026
Windows iSCSI Remote Code Execution Vulnerability
Out-of-bounds write in Windows iSCSI allows an unauthorized attacker to execute code over a network.
CVE-2026-69644
Medium · 5.5
CWE-497 Oct 13, 2026
Windows iSCSI Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows iSCSI allows an authorized attacker to disclose information locally.
CVE-2026-69639
Critical · 9.8
CWE-122 Oct 13, 2026
Windows libarchive Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.
CVE-2026-69635
Medium · 6.6
CWE-122 Oct 13, 2026
Windows Installer Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges with a physical attack.
CVE-2026-69634
Critical · 9.8
CWE-122 Oct 13, 2026
Windows iSCSI Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network.
CVE-2026-69633
High · 7.8
CWE-122 Oct 13, 2026
Windows Update Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Update allows an authorized attacker to elevate privileges locally.
CVE-2026-69596
High · 7.0
CWE-416 Oct 13, 2026
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69521
High · 8.8
CWE-190 Oct 13, 2026
Windows iSCSI Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over a network.
CVE-2026-69506
Medium · 4.7
CWE-125 Oct 13, 2026
Windows Key Storage Provider Information Disclosure Vulnerability
Out-of-bounds read in Windows Key Storage Provider allows an authorized attacker to disclose information locally.
CVE-2026-69471
High · 7.8
CWE-122 Oct 13, 2026
Windows Installer Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-69452
High · 7.1
CWE-416 Oct 13, 2026
Windows Enterprise App Management Elevation of Privilege Vulnerability
Use after free in Windows Enterprise App Management allows an authorized attacker to elevate privileges over a network.
CVE-2026-69387
High · 7.0
CWE-416 Oct 13, 2026
Windows Error Reporting Elevation of Privilege Vulnerability
Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-69363
High · 8.0
CWE-122 Oct 13, 2026
Windows Error Reporting Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges over a network.