High severity7.5NVD Advisory· Published Feb 14, 2023· Updated Jun 17, 2026
CVE-2023-21819
CVE-2023-21819
Description
Windows Secure Channel Denial of Service Vulnerability
Affected products
16cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*range: <10.0.17763.4010
- (no CPE)range: 10.0.0
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*range: <10.0.19042.2604
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*range: <10.0.19044.2604
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*range: <10.0.19045.2604
- (no CPE)range: 10.0.0
- (no CPE)range: 10.0.19043.0
- (no CPE)range: 10.0.19045.0
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*range: <10.0.22000.1574
- (no CPE)range: 10.0.0
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
- (no CPE)range: 10.0.17763.0
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
- (no CPE)range: 10.0.20348.0
- Microsoft/Windows Server 2019 (Server Core installation)v5Range: 10.0.17763.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21819nvdPatchVendor Advisory
News mentions
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