Known vulnerabilities in Windows Server 2022 20H2

Vendor: Microsoft
Version: 2022 20H2
Software CPE: cpe:2.3:o:microsoft:windows_server:*:*:*:*:*:*:*:*
Total vulnerabilities: 943
Public exploits: 37
Known exploited (KEV): 41
Highest CVSSv4 Score: 9.3

Vulnerabilities by Severity

Severity distribution of vulnerabilities affecting Windows Server version 2022 20H2 Windows Server 2022 20H2 is affected by 943 vulnerabilities: 21 critical, 185 high, 267 medium, 470 low Critical High Medium Low

Vulnerabilities (943)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU131349 - Permissions, Privileges, and Access Controls
CWE-264 Low
Public exploit available
No
- 13.05.2026 SB2026051378
#VU131296 - Heap-based Buffer Overflow
CVE-2026-41096
CWE-122 High
No
No
2022 23H2 10.0.25398.2330, 2025 10.0.26100.32772, 2025 10.0.26100.32860 13.05.2026 SB2026051307
#VU126143 - Double Free
CVE-2026-26179
CWE-415 Low
No
No
2012 R2 6.3.9600.23132, 2022 23H2 10.0.25398.2274, 2025 10.0.26100.32690 15.04.2026 SB2026041574
#VU126121 - Use After Free
CVE-2026-33101
CWE-416 Low
No
No
2012 R2 6.3.9600.23132, 2022 23H2 10.0.25398.2274, 2025 10.0.26100.32690 15.04.2026 SB2026041523
#VU126023 - Out-of-bounds read
CVE-2026-32076
CWE-125 Low
No
No
2012 R2 6.3.9600.23132, 2022 23H2 10.0.25398.2274, 2025 10.0.26100.32690 14.04.2026 SB20260414143
#VU126022 - Integer underflow
CVE-2026-27907
CWE-191 Low
No
No
2012 R2 6.3.9600.23132, 2022 23H2 10.0.25398.2274, 2025 10.0.26100.32690 14.04.2026 SB20260414143
#VU126016 - Use After Free
CVE-2026-26181
CWE-416 Low
No
No
2012 R2 6.3.9600.23132, 2022 23H2 10.0.25398.2274, 2025 10.0.26100.32690 14.04.2026 SB20260414140
#VU126003 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-25184
CWE-362 Low
No
No
2012 R2 6.3.9600.23132, 2022 23H2 10.0.25398.2274, 2025 10.0.26100.32690 14.04.2026 SB20260414127
#VU123739 - Heap-based Buffer Overflow
CVE-2026-24283
CWE-122 Low
No
No
2022 23H2 10.0.25398.2207, 2025 10.0.26100.32463, 2025 10.0.26100.32522 10.03.2026 SB20260310100
#VU122554 - Untrusted Pointer Dereference
CVE-2026-21232
CWE-822 Low
No
No
2012 R2 6.3.9600.23022, 2022 23H2 10.0.25398.2149, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021065
#VU122551 - Untrusted Pointer Dereference
CVE-2026-21250
CWE-822 Low
No
No
2012 R2 6.3.9600.23022, 2022 23H2 10.0.25398.2149, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021065
#VU121437 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20808
CWE-362 Low
No
No
2022 23H2 10.0.25398.2092, 2025 10.0.26100.7623, 2025 10.0.26100.32230 14.01.2026 SB2026011492
#VU121248 - Heap-based Buffer Overflow
CVE-2026-20876
CWE-122 Low
No
No
2022 23H2 10.0.25398.2092, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011380
#VU121241 - Out-of-bounds read
CVE-2026-20835
CWE-125 Low
No
No
2022 23H2 10.0.25398.2092, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011375
#VU119450 - Use After Free
CVE-2025-62569
CWE-416 Low
No
No
2008 6.0.6003.23666, 2022 23H2 10.0.25398.2025, 2025 10.0.26100.7392, 2025 10.0.26100.7462 09.12.2025 SB2025120959
#VU119442 - Out-of-bounds read
CVE-2025-62468
CWE-125 Low
No
No
2008 6.0.6003.23666, 2022 23H2 10.0.25398.2025, 2025 10.0.26100.7392, 2025 10.0.26100.7462 09.12.2025 SB2025120954
#VU118295 - Use After Free
CVE-2025-60717
CWE-416 Low
No
No
2008 R2 6.1.7601.28021, 2019 10.0.17763.8027, 2022 23H2 10.0.25398.1965, 2025 10.0.26100.7092, 2025 10.0.26100.7171 11.11.2025 SB2025111162
#VU118294 - Use After Free
CVE-2025-59515
CWE-416 Low
No
No
2008 R2 6.1.7601.28021, 2019 10.0.17763.8027, 2022 23H2 10.0.25398.1965, 2025 10.0.26100.7092, 2025 10.0.26100.7171 11.11.2025 SB2025111162
#VU117193 - Use After Free
CVE-2025-50174
CWE-416 Low
No
No
2022 23H2 10.0.25398.1913, 2025 10.0.26100.6899 15.10.2025 SB2025101546
#VU77917 - Heap-based Buffer Overflow
CVE-2023-2804
CWE-122 Medium
No
No
2012 R2 6.3.9600.23022, 2022 23H2 10.0.25398.2149 04.07.2023 SB2023070404
SB2026021070


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