CVE-2021-26419
Scripting Engine Memory Corruption Vulnerability
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Scripting Engine Memory Corruption Vulnerability
Una vulnerabilidad de Corrupción de la Memoria del Motor de Scripting
There is a vulnerability in jscript9 that could be potentially used by an attacker to execute arbitrary code when viewing an attacker-controlled website in Internet Explorer. The vulnerability has been confirmed on Windows 10 64-bit with the latest security patches applied.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-29 CVE Reserved
- 2021-05-11 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2024-10-31 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| http://packetstormsecurity.com/files/162570/Internet-Explorer-jscript9.dll-Memory-Corruption.html | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26419 | 2024-04-16 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 20h2 Search vendor "Microsoft" for product "Windows 10" and version "20h2" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1607 Search vendor "Microsoft" for product "Windows 10" and version "1607" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1803 Search vendor "Microsoft" for product "Windows 10" and version "1803" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1809 Search vendor "Microsoft" for product "Windows 10" and version "1809" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1909 Search vendor "Microsoft" for product "Windows 10" and version "1909" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 2004 Search vendor "Microsoft" for product "Windows 10" and version "2004" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 7 Search vendor "Microsoft" for product "Windows 7" | - | sp1 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 8.1 Search vendor "Microsoft" for product "Windows 8.1" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Rt 8.1 Search vendor "Microsoft" for product "Windows Rt 8.1" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2" | sp1, x64 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012" | r2 Search vendor "Microsoft" for product "Windows Server 2012" and version "r2" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 9 Search vendor "Microsoft" for product "Internet Explorer" and version "9" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | - | sp2 |
Safe
|