Known vulnerabilities in Windows Server - page 25

Vendor: Microsoft
Software: Windows Server
Software CPE: cpe:2.3:o:microsoft:windows_server:*:*:*:*:*:*:*:*
Website: https://www.microsoft.com
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
#VU134324 - Exposure of sensitive information to an unauthorized actor
CVE-2026-42973		 CWE-200 Low
No
No
 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061120
#VU134323 - Exposure of sensitive information to an unauthorized actor
CVE-2026-42970		 CWE-200 Low
No
No
 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061120
#VU134320 - Exposure of sensitive information to an unauthorized actor
CVE-2026-42971		 CWE-200 Low
No
No
 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061120
#VU134319 - Use of Uninitialized Resource
CVE-2026-42969		 CWE-908 Low
No
No
 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061120
#VU134300 - Use After Free
CVE-2026-44809		 CWE-416 Low
No
No
 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061123
#VU134299 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-42991		 CWE-362 Low
No
No
 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061120
#VU134298 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-42979		 CWE-362 Low
No
No
 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061120
#VU134297 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-42977		 CWE-362 Low
No
No
 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061120
#VU134296 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-42978		 CWE-362 Low
No
No
 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061120
#VU134295 - Out-of-bounds read
CVE-2026-42908		 CWE-125 Medium
No
No
 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061116
#VU134294 - Out-of-bounds read
CVE-2026-45639		 CWE-125 Medium
No
No
 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 11.06.2026 SB2026061116
#VU134293 - Heap-based Buffer Overflow
CVE-2026-40404		 CWE-122 Low
No
No
 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 11.06.2026 SB2026061115
#VU134292 - Numeric Truncation Error
CVE-2026-40409		 CWE-197 Low
No
No
 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 11.06.2026 SB2026061115
#VU134290 - Integer overflow
CVE-2026-42916		 CWE-190 Low
No
No
 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061113
#VU134289 - Integer underflow
CVE-2026-42980		 CWE-191 Low
No
No
 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.8655, 2025 10.0.26100.32995 11.06.2026 SB2026061113
#VU134264 - Improper input validation
CVE-2026-45642		 CWE-20 Low
No
No
 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 10.06.2026 SB20260610103
#VU134263 - Out-of-bounds read
CVE-2026-45608		 CWE-125 Low
No
No
 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 10.06.2026 SB20260610102
#VU134262 - Out-of-bounds read
CVE-2026-45634		 CWE-125 Low
No
No
 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 10.06.2026 SB20260610102
#VU134261 - Out-of-bounds read
CVE-2026-45606		 CWE-125 Low
No
No
 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 10.06.2026 SB20260610101
#VU134218 - Improper Access Control
CVE-2026-41092		 CWE-284 Low
No
No
 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 10.06.2026 SB2026061063


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