Medium severity6.4NVD Advisory· Published Jun 8, 2021· Updated Jun 17, 2026
CVE-2021-31959
CVE-2021-31959
Description
Scripting Engine Memory Corruption Vulnerability
Affected products
29cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x86:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x86:*range: 10.0.0
cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:arm64:*range: 10.0.0
cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1052:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x64:*Range: 10.0.0
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x64:*range: 6.3.0
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*range: 6.2.0
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*range: 10.0.0
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*range: 10.0.0
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31959nvdPatchVendor Advisory
- packetstormsecurity.com/files/163056/Internet-Explorer-jscript9.dll-Memory-Corruption.htmlnvdThird Party AdvisoryVDB Entry
News mentions
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