Known vulnerabilities in Windows Server - page 20

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
#VU137550 - Exposure of sensitive information to an unauthorized actor
CVE-2026-50415		 CWE-200 Medium
No
No
 2012 R2 6.3.9600.23291, 2019 10.0.17763.9020, 2022 10.0.20348.5386, 2025 10.0.26100.33158 14.07.2026 SB20260714114
#VU137549 - Exposure of sensitive information to an unauthorized actor
CVE-2026-50394		 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 14.07.2026 SB20260714114
#VU137548 - Use After Free
CVE-2026-50433		 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 14.07.2026 SB20260714114
#VU137545 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-50414		 CWE-362 Medium
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 14.07.2026 SB20260714114
#VU137544 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-50398		 CWE-362 Medium
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 14.07.2026 SB20260714114
#VU137543 - Use After Free
CVE-2026-50358		 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 14.07.2026 SB20260714114
#VU137539 - Insufficient Granularity of Access Control
CVE-2026-56155		 CWE-1220 High
No
Exploited
 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 14.07.2026 SB20260714112
#VU137538 - Heap-based Buffer Overflow
CVE-2026-50327		 CWE-122 Medium
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 14.07.2026 SB20260714114
#VU137536 - Use After Free
CVE-2026-50392		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158 14.07.2026 SB20260714111
#VU137535 - Improper Validation of Consistency within Input
CVE-2026-42982		 CWE-1288 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 SB20260714111
#VU134481 - Reliance on Component That is Not Updateable
CVE-2026-8863		 CWE-1329 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 12.06.2026 SB2026061280
#VU134480 - Protection Mechanism Failure
CVE-2026-45656		 CWE-693 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 12.06.2026 SB2026061280
#VU134476 - Use After Free
CVE-2026-45593		 CWE-416 Low
No
No
 2004 10.0.19045.7417, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 12.06.2026 SB2026061276
#VU134475 - Heap-based Buffer Overflow
CVE-2026-45636		 CWE-122 High
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 12.06.2026 SB2026061275
#VU134474 - Type confusion
CVE-2026-45600		 CWE-843 Low
No
No
 2004 10.0.19045.7417, 2025 10.0.26100.32995 12.06.2026 SB2026061273
#VU134472 - Improper Handling of Values
CVE-2026-45602		 CWE-229 High
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 12.06.2026 SB2026061272
#VU134471 - Stack-based buffer overflow
CVE-2026-44815		 CWE-121 High
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 12.06.2026 SB2026061271
#VU134470 - Integer overflow
CVE-2026-47291		 CWE-190 High
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 12.06.2026 SB2026061270
#VU134469 - Resource exhaustion
CVE-2026-49160		 CWE-400 Medium
No
No
 2004 10.0.19045.7417, 2016 10.0.14393.9234, 2019 10.0.17763.8880, 2022 10.0.20348.5256, 2025 10.0.26100.32995 12.06.2026 SB2026061270
#VU134468 - Heap-based Buffer Overflow
CVE-2026-48574		 CWE-122 High
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 12.06.2026 SB2026061259


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