Known vulnerabilities in Windows Server - page 86

Vendor: Microsoft
Software: Windows Server
Software CPE: cpe:2.3:o:microsoft:windows_server:*:*:*:*:*:*:*:*
Website: https://www.microsoft.com
Total vulnerabilities: 8285
Public exploits: 499
Known exploited (KEV): 274

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Windows Server Windows Server is affected by 8285 known vulnerabilities: 96 critical, 1510 high, 1532 medium, 5147 low Critical High Medium Low

Vulnerabilities (8285)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU121321 - Use After Free
CVE-2026-20923		 CWE-416 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 SB20260113122
#VU121320 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20918		 CWE-362 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 SB20260113122
#VU121319 - Use After Free
CVE-2026-20877		 CWE-416 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 SB20260113122
#VU121318 - Use After Free
CVE-2026-20865		 CWE-416 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 SB20260113122
#VU121317 - Use After Free
CVE-2026-20858		 CWE-416 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 SB20260113122
#VU121300 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20873		 CWE-362 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 SB20260113122
#VU121299 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20874		 CWE-362 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 SB20260113122
#VU121298 - Use After Free
CVE-2026-20924		 CWE-416 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 SB20260113122
#VU121297 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20867		 CWE-362 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 SB20260113122
#VU121296 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20861		 CWE-362 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 SB20260113122
#VU121294 - Exposure of sensitive information to an unauthorized actor
CVE-2026-20862		 CWE-200 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 SB20260113122
#VU121293 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-20866		 CWE-362 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 SB20260113122
#VU121278 - Improper Link Resolution Before File Access ('Link Following')
CVE-2026-20941		 CWE-59 Low
No
No
 2025 10.0.26100.7623, 2025 10.0.26100.32230 13.01.2026 SB2026011398
#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
#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


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