Known vulnerabilities in Windows Server - page 19

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
#VU137639 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-50667		 CWE-362 Low
No
No
 2012 R2 6.3.9600.23291, 2012 6.2.9200.26226, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071516
#VU137637 - Heap-based Buffer Overflow
CVE-2026-50696		 CWE-122 Medium
No
No
 2012 R2 6.3.9600.23291, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071515
#VU137630 - Exposure of sensitive information to an unauthorized actor
CVE-2026-50409		 CWE-200 Low
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071513
#VU137629 - Out-of-bounds read
CVE-2026-50435		 CWE-125 Low
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071513
#VU137624 - Heap-based Buffer Overflow
CVE-2026-54987		 CWE-122 Low
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071513
#VU137584 - Use After Free
CVE-2026-50307		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23291, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071508
#VU137583 - Use After Free
CVE-2026-50306		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23291, 2012 6.2.9200.26226, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071508
#VU137582 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-54999		 CWE-362 Medium
No
No
 2012 R2 6.3.9600.23291, 2012 6.2.9200.26226, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071508
#VU137581 - Out-of-bounds read
CVE-2026-49177		 CWE-125 Low
No
No
 2012 R2 6.3.9600.23291, 2012 6.2.9200.26226, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071508
#VU137580 - Heap-based Buffer Overflow
CVE-2026-49172		 CWE-122 High
No
No
 2012 R2 6.3.9600.23291, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071506
#VU137567 - Use After Free
CVE-2026-50487		 CWE-416 High
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 15.07.2026 SB2026071504
#VU137561 - Heap-based Buffer Overflow
CVE-2026-49175		 CWE-122 Low
No
No
 2012 R2 6.3.9600.23291, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071504
#VU137558 - Improper Access Control
CVE-2026-50465		 CWE-284 Low
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 15.07.2026 SB2026071504
#VU137557 - Improper Privilege Management
CVE-2026-49176		 CWE-269 Low
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071503
#VU137556 - Use After Free
CVE-2026-49171		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071502
#VU137555 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-50356		 CWE-362 Low
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071501
#VU137554 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-49784		 CWE-362 Low
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071501
#VU137553 - Use of Uninitialized Resource
CVE-2026-49165		 CWE-908 Low
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071501
#VU137552 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-42900		 CWE-362 High
No
No
 2012 R2 6.3.9600.23291, 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 15.07.2026 SB2026071501
#VU137537 - Exposure of sensitive information to an unauthorized actor
CVE-2026-34349		 CWE-200 Low
No
No
 2016 10.0.14393.9339, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 14.07.2026 SB20260714114


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