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CVE-2021-26419— Scripting Engine Memory Corruption Vulnerability

Quick assessment

Affected
Microsoft Internet Explorer 11
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Internet Explorer（IE）是美国微软（Microsoft）公司的一款Windows操作系统附带的Web浏览器。 Internet Explorer 存在缓冲区错误漏洞。以下产品和版本受到影响：Internet Explorer 11,Internet Explorer 9。

CVSS 7.5 · High EPSS 22.77% · P98

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-26419

Vulnerability Information
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Vulnerability Title
Scripting Engine Memory Corruption Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Scripting Engine Memory Corruption Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Internet Explorer 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Internet Explorer（IE）是美国微软（Microsoft）公司的一款Windows操作系统附带的Web浏览器。 Internet Explorer 存在缓冲区错误漏洞。以下产品和版本受到影响：Internet Explorer 11,Internet Explorer 9。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Internet Explorer 11 1.0.0 ~ 10.0.14393.4401 cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
Microsoft Internet Explorer 9 1.0.0 ~ 6.0.6003.21117 cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*

II. Public POCs for CVE-2021-26419

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III. Intelligence Information for CVE-2021-26419

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Vendor Advisories for CVE-2021-26419 (1)

Same Patch Batch · Microsoft · 2021-05-11 · 52 CVEs total

CVE-2021-28476 9.9 CRITICAL Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-31166 9.8 CRITICAL HTTP Protocol Stack Remote Code Execution Vulnerability
CVE-2021-28474 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-27068 8.8 HIGH Visual Studio Remote Code Execution Vulnerability
CVE-2021-28455 8.8 HIGH Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vul
CVE-2021-31181 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2021-31194 8.8 HIGH OLE Automation Remote Code Execution Vulnerability
CVE-2021-31165 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31170 7.8 HIGH Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2021-31198 7.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-31208 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31187 7.8 HIGH Windows WalletService Elevation of Privilege Vulnerability
CVE-2021-31169 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-28465 7.8 HIGH Web Media Extensions Remote Code Execution Vulnerability
CVE-2021-31180 7.8 HIGH Microsoft Office Graphics Remote Code Execution Vulnerability
CVE-2021-31214 7.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2021-31179 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31177 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31175 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31176 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Internet Explorer 11
Same vendor: Microsoft

V. Comments for CVE-2021-26419

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