What’s Vulnerable › Vulnerabilities

CVE-2020-17052: Scripting Engine Memory Corruption Vulnerability

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-11 · updated 2026-06-17
• Weakness: CWE-787

Description

Scripting Engine Memory Corruption Vulnerability

Affected products

• Microsoft Edge: all versions
• Microsoft Internet Explorer 11: 11
• Microsoft Edge: from 1.0..0 before publication — fixed in publication
• Microsoft Internet Explorer 11: from 1.0.0 before publication — fixed in publication

How to fix

Upgrade to a fixed version: Microsoft Edge publication; Microsoft Internet Explorer 11 publication. Check the vendor advisory for mitigations.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17052
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17052

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