CVE-2021-26419
Scripting Engine Memory Corruption Vulnerability
CVE-2021-26419 is fixed in 30 products on 1 platform, first by KB5003197, released May 11, 2021. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
Urgent
CVSS
6.4
Critical
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.2277
97th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems | 14393.4402 | KB5003197 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems | 14393.4402 | KB5003197 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems | 17134.2208 | KB5003174 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1803 for ARM64-based Systems | 17134.2208 | KB5003174 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems | 17134.2208 | KB5003174 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1809 for 32-bit Systems | 17763.1935 | KB5003171 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1809 for ARM64-based Systems | 17763.1935 | KB5003171 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1809 for x64-based Systems | 17763.1935 | KB5003171 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems | 18363.1556 | KB5003169 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems | 18363.1556 | KB5003169 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems | 18363.1556 | KB5003169 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 Version 2004 for 32-bit Systems | KB5003173 | May 11, 2021 | |
| Internet Explorer 11 on Windows 10 Version 2004 for ARM64-based Systems | KB5003173 | May 11, 2021 | |
| Internet Explorer 11 on Windows 10 Version 2004 for x64-based Systems | KB5003173 | May 11, 2021 | |
| Internet Explorer 11 on Windows 10 Version 20H2 for 32-bit Systems | KB5003173 | May 11, 2021 | |
| Internet Explorer 11 on Windows 10 Version 20H2 for ARM64-based Systems | KB5003173 | May 11, 2021 | |
| Internet Explorer 11 on Windows 10 for 32-bit Systems | 10240.18932 | KB5003172 | May 11, 2021 |
| Internet Explorer 11 on Windows 10 for x64-based Systems | 10240.18932 | KB5003172 | May 11, 2021 |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 | KB5003233 | May 11, 2021 | |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 | KB5003165 | May 11, 2021 | |
| Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 | KB5003233 | May 11, 2021 | |
| Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 | KB5003165 | May 11, 2021 | |
| Internet Explorer 11 on Windows 8.1 for 32-bit systems | KB5003209 | May 11, 2021 | |
| Internet Explorer 11 on Windows 8.1 for 32-bit systems | KB5003165 | May 11, 2021 | |
| Internet Explorer 11 on Windows 8.1 for x64-based systems | KB5003209 | May 11, 2021 | |
| Internet Explorer 11 on Windows 8.1 for x64-based systems | KB5003165 | May 11, 2021 | |
| Internet Explorer 11 on Windows RT 8.1 | KB5003209 | May 11, 2021 | |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5003233 | May 11, 2021 | |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5003165 | May 11, 2021 | |
| Internet Explorer 11 on Windows Server 2012 | KB5003208 | May 11, 2021 | |
| Internet Explorer 11 on Windows Server 2012 | KB5003165 | May 11, 2021 | |
| Internet Explorer 11 on Windows Server 2012 R2 | KB5003209 | May 11, 2021 | |
| Internet Explorer 11 on Windows Server 2012 R2 | KB5003165 | May 11, 2021 | |
| Internet Explorer 11 on Windows Server 2016 | 14393.4402 | KB5003197 | May 11, 2021 |
| Internet Explorer 11 on Windows Server 2019 | 17763.1935 | KB5003171 | May 11, 2021 |
| Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5003210 | May 11, 2021 | |
| Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5003165 | May 11, 2021 | |
| Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB5003210 | May 11, 2021 | |
| Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB5003165 | May 11, 2021 | |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.