Medium severity6.8CISA KEVNVD Advisory· Published Jul 16, 2021· Updated Aug 10, 2026
CVE-2021-34448
CVE-2021-34448
Description
Scripting Engine Memory Corruption Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
29cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*range: <10.0.10240.19003
- cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19003:*:*:*:*:*:x86:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*range: <10.0.18363.1679
- cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1679:*:*:*:*:*:x86:*range: 10.0.0
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*range: <10.0.14393.4530
- cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4530:*:*:*:*:*:x86:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1110:*:*:*:*:*:x86:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*range: <10.0.19042.1110
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*range: <10.0.17763.2061
- cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2061:*:*:*:*:*:x86:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1110:*:*:*:*:*:x64:*range: 10.0.0
cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1110:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1110:*:*:*:*:*:x64:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*range: <10.0.19043.1110
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20069:*:*:*:*:*:x86:*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_2012:6.2.9200.23409:*:*:*:*:*: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:*:*:*:*:*:*:*:*range: <10.0.14393.4530
- cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4530:*:*:*:*:*:*:*range: 10.0.0
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: <10.0.17763.2061
- cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2061:*:*:*:*:*:*:*range: 10.0.0
Patches
Vulnerability mechanics
References
3- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34448nvdPatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34448nvdPatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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