Known vulnerabilities in Windows Server - page 83

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
#VU122571 - Heap-based Buffer Overflow
CVE-2026-21248		 CWE-122 Medium
No
No
 2012 R2 6.3.9600.23022, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021079
#VU122570 - Heap-based Buffer Overflow
CVE-2026-21244		 CWE-122 Medium
No
No
 2012 R2 6.3.9600.23022, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021079
#VU122563 - Out-of-bounds read
CVE-2026-20846		 CWE-125 Medium
No
No
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021073
#VU122560 - Heap-based Buffer Overflow
CVE-2026-21236		 CWE-122 Low
No
No
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021069
#VU122559 - Improper Access Control
CVE-2026-21238		 CWE-284 Low
No
No
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021069
#VU122558 - Use After Free
CVE-2026-21241		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23022, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021069
#VU122557 - NULL Pointer Dereference
CVE-2026-21243		 CWE-476 Medium
No
No
 2012 R2 6.3.9600.23022, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021068
#VU122556 - External Control of File Name or Path
CVE-2026-21249		 CWE-73 Medium
No
No
 2012 R2 6.3.9600.23022, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021067
#VU122554 - Untrusted Pointer Dereference
CVE-2026-21232		 CWE-822 Low
No
No
 2012 R2 6.3.9600.23022, 2022 23H2 10.0.25398.2149, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021065
#VU122553 - Time-of-check Time-of-use (TOCTOU) Race Condition
CVE-2026-21240		 CWE-367 Low
No
No
 2012 R2 6.3.9600.23022, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021065
#VU122552 - Type confusion
CVE-2026-21519		 CWE-843 High
No
Exploited
 2012 R2 6.3.9600.23022, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021064
#VU122551 - Untrusted Pointer Dereference
CVE-2026-21250		 CWE-822 Low
No
No
 2012 R2 6.3.9600.23022, 2022 23H2 10.0.25398.2149, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021065
#VU122550 - NULL Pointer Dereference
CVE-2026-21525		 CWE-476 Medium
No
Exploited
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021063
#VU122549 - Use After Free
CVE-2026-21251		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23022, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021059
#VU122548 - Improper Privilege Management
CVE-2026-21533		 CWE-269 High
No
Exploited
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021060
#VU122547 - Protection Mechanism Failure
CVE-2026-21513		 CWE-693 Critical
No
Exploited
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021058
#VU122546 - Use After Free
CVE-2026-21253		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021057
#VU122545 - Improper Authentication
CVE-2026-21508		 CWE-287 Low
No
No
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021056
#VU122544 - Protection Mechanism Failure
CVE-2026-21510		 CWE-693 Critical
No
Exploited
 2012 R2 6.3.9600.23022, 2012 6.2.9200.25923, 2016 10.0.14393.8868, 2019 10.0.17763.8389, 2022 23H2 10.0.25398.2149, 2022 10.0.20348.4711, 2022 10.0.20348.4773, 2025 10.0.26100.32313, 2025 10.0.26100.32370 10.02.2026 SB2026021055
#VU77917 - Heap-based Buffer Overflow
CVE-2023-2804		 CWE-122 Medium
No
No
 2012 R2 6.3.9600.23022, 2022 23H2 10.0.25398.2149 04.07.2023 SB2023070404
SB2026021070


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