Known vulnerabilities in Windows Server - page 42

Vendor: Microsoft
Software CPE: cpe:2.3:o:microsoft:windows_server:*:*:*:*:*:*:*:*
Total vulnerabilities: 6300
Public exploits: 488
Known exploited (KEV): 268
Highest CVSSv4 Score: 9.4

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Windows Server Windows Server is affected by 6300 known vulnerabilities: 95 critical, 1270 high, 1244 medium, 3689 low Critical High Medium Low

Vulnerabilities (6300)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU121277 - Out-of-bounds read
CVE-2026-20936
CWE-125 Low
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011397
#VU121276 - Untrusted Pointer Dereference
CVE-2026-20857
CWE-822 Low
No
No
2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011396
#VU121275 - Untrusted Pointer Dereference
CVE-2026-20940
CWE-822 Low
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 10.0.20348.4648, 2025 10.0.26100.7623 13.01.2026 SB2026011396
#VU121271 - Heap-based Buffer Overflow
CVE-2026-20868
CWE-122 High
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011392
#VU121270 - Improper Access Control
CVE-2026-20843
CWE-284 Low
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011392
#VU121267 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20926
CWE-362 Medium
No
No
2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011390
#VU121266 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20919
CWE-362 Medium
No
No
2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011390
#VU121265 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20921
CWE-362 Medium
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011390
#VU121264 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20927
CWE-362 Medium
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011390
#VU121263 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20934
CWE-362 Medium
No
No
2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011390
#VU121262 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20848
CWE-362 Medium
No
No
2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623 13.01.2026 SB2026011390
#VU121260 - NULL Pointer Dereference
CVE-2026-20875
CWE-476 Medium
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011388
#VU121259 - Use After Free
CVE-2026-20854
CWE-416 Medium
No
No
2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011388
#VU121257 - Exposure of sensitive information to an unauthorized actor
CVE-2026-20827
CWE-200 Low
No
No
2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011386
#VU121256 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20826
CWE-362 Low
No
No
2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011386
#VU121255 - Improper Access Control
CVE-2026-20825
CWE-284 Low
No
No
2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011385
#VU121254 - Use After Free
CVE-2026-20822
CWE-416 Low
No
No
2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011384
#VU121253 - Double Free
CVE-2026-20832
CWE-415 Low
No
No
2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011383
#VU121252 - Exposure of sensitive information to an unauthorized actor
CVE-2026-20821
CWE-200 Low
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011382
#VU121251 - Heap-based Buffer Overflow
CVE-2026-20820
CWE-122 Low
No
No
2008 R2 6.1.7601.28117, 2008 6.0.6003.23717, 2012 R2 6.3.9600.22968, 2012 6.2.9200.25868, 2016 10.0.14393.8783, 2019 10.0.17763.8276, 2022 23H2 10.0.25398.2092, 2022 10.0.20348.4648, 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011381


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