Known vulnerabilities in Windows Server - page 4

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
#VU138010 - NULL Pointer Dereference
CVE-2026-50315		 CWE-476 Low
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 17.07.2026 SB2026071705
#VU138009 - Use After Free
CVE-2026-50425		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 17.07.2026 SB2026071705
#VU138008 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-50321		 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 17.07.2026 SB2026071705
#VU138007 - Heap-based Buffer Overflow
CVE-2026-50347		 CWE-122 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 17.07.2026 SB2026071705
#VU138006 - Improper Privilege Management
CVE-2026-50343		 CWE-269 Low
No
No
 2012 R2 6.3.9600.23291, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 17.07.2026 SB2026071705
#VU138005 - Use After Free
CVE-2026-50331		 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 17.07.2026 SB2026071705
#VU138004 - Out-of-bounds read
CVE-2026-50341		 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 17.07.2026 SB2026071705
#VU138003 - Heap-based Buffer Overflow
CVE-2026-50380		 CWE-122 High
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 17.07.2026 SB2026071705
#VU138001 - Heap-based Buffer Overflow
CVE-2026-50313		 CWE-122 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 17.07.2026 SB2026071705
#VU138000 - Use After Free
CVE-2026-50326		 CWE-416 Medium
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 17.07.2026 SB2026071705
#VU137999 - Heap-based Buffer Overflow
CVE-2026-50309		 CWE-122 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 17.07.2026 SB2026071705
#VU137998 - Heap-based Buffer Overflow
CVE-2026-50386		 CWE-122 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 17.07.2026 SB2026071705
#VU137997 - Type conversion
CVE-2026-50337		 CWE-704 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 17.07.2026 SB2026071705
#VU137996 - Stack-based buffer overflow
CVE-2026-50412		 CWE-121 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 17.07.2026 SB2026071705
#VU137995 - Heap-based Buffer Overflow
CVE-2026-50363		 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 17.07.2026 SB2026071705
#VU137994 - Use After Free
CVE-2026-50329		 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 17.07.2026 SB2026071705
#VU137993 - Use of a Broken or Risky Cryptographic Algorithm
CVE-2026-50303		 CWE-327 Low
No
No
 2012 R2 6.3.9600.23291, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 17.07.2026 SB2026071705
#VU137992 - Integer underflow
CVE-2026-50300		 CWE-191 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 17.07.2026 SB2026071705
#VU137991 - Type confusion
CVE-2026-50381		 CWE-843 Low
No
No
 2012 R2 6.3.9600.23291, 2022 10.0.20348.5386, 2025 10.0.26100.33158 17.07.2026 SB2026071705
#VU137990 - Improper Access Control
CVE-2026-50350		 CWE-284 Low
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 17.07.2026 SB2026071705


Showing elements 61 - 80 out of 6300