Known vulnerabilities in Windows Server - page 391

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
#VU155009 - Use After Free
CVE-2026-83862		 CWE-416 High
No
No
 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU155008 - Heap-based Buffer Overflow
CVE-2026-83861		 CWE-122 Low
No
No
 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU155007 - Stack-based buffer overflow
CVE-2026-83860		 CWE-121 Medium
No
No
 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU155006 - Use After Free
CVE-2026-83859		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23470, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU155005 - Use After Free
CVE-2026-83857		 CWE-416 Low
No
No
 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU155004 - Out-of-bounds read
CVE-2026-83856		 CWE-125 Medium
No
No
 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU155003 - Integer underflow
CVE-2026-83855		 CWE-191 Medium
No
No
 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU155002 - Missing Authentication for Critical Function
CVE-2026-83854		 CWE-306 Low
No
No
 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU155000 - Use After Free
CVE-2026-83852		 CWE-416 Low
No
No
 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154999 - Heap-based Buffer Overflow
CVE-2026-83851		 CWE-122 High
No
No
 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154998 - Heap-based Buffer Overflow
CVE-2026-83850		 CWE-122 Low
No
No
 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154996 - Untrusted Pointer Dereference
CVE-2026-83848		 CWE-822 Low
No
No
 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154995 - Heap-based Buffer Overflow
CVE-2026-83847		 CWE-122 Low
No
No
 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154994 - Use After Free
CVE-2026-83846		 CWE-416 Low
No
No
 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154993 - Improper Privilege Management
CVE-2026-83845		 CWE-269 Low
No
No
 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154992 - Out-of-bounds read
CVE-2026-83843		 CWE-125 Medium
No
No
 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154991 - Double Free
CVE-2026-83842		 CWE-415 Low
No
No
 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154990 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2026-83841		 CWE-362 Low
No
No
 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154989 - Weak Authentication
CVE-2026-83840		 CWE-1390 Low
No
No
 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415
#VU154988 - Time-of-check Time-of-use (TOCTOU) Race Condition
CVE-2026-83839		 CWE-367 Low
No
No
 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650 14.10.2026 SB2026101415


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