CVE-2021-26419
HIGHCVSS 7.5/10EPSS 22.60%
Last modified
CVE-2021-26419 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Scripting Engine Memory Corruption Vulnerability. EPSS estimates a 22.60% chance of exploitation in the next 30 days.
Description
Scripting Engine Memory Corruption Vulnerability
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Internet Explorer | 11 |
| Microsoft | Internet Explorer | 9 |
References
- http://packetstormsecurity.com/files/162570/Internet-Explorer-jscript9.dll-Memory-Corruption.htmlExploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26419Patch, Vendor Advisory
- http://packetstormsecurity.com/files/162570/Internet-Explorer-jscript9.dll-Memory-Corruption.htmlExploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26419Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-26419?
Scripting Engine Memory Corruption Vulnerability
How severe is CVE-2021-26419?
CVE-2021-26419 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 22.60% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26419?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-26413Windows Installer Spoofing Vulnerability6.2
- CVE-2021-26414Windows DCOM Server Security Feature Bypass4.8
- CVE-2021-26415Windows Installer Elevation of Privilege Vulnerability7.8
- CVE-2021-26416Windows Hyper-V Denial of Service Vulnerability7.7
- CVE-2021-26417Windows Overlay Filter Information Disclosure Vulnerability5.5
- CVE-2021-26418Microsoft SharePoint Server Spoofing Vulnerability4.6
- CVE-2021-26420Microsoft SharePoint Server Remote Code Execution Vulnerabil…7.1
- CVE-2021-26421Skype for Business and Lync Spoofing Vulnerability6.5
- CVE-2021-26422Skype for Business and Lync Remote Code Execution Vulnerabil…7.2
- CVE-2021-26423.NET Core and Visual Studio Denial of Service Vulnerability7.5
- CVE-2021-26424Windows TCP/IP Remote Code Execution Vulnerability9.9
- CVE-2021-26425Windows Event Tracing Elevation of Privilege Vulnerability7.8
Are you affected by CVE-2021-26419?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST