CVE-2017-8754

Microsoft Edge Security Feature Bypass Vulnerability

CVE-2017-8754 is fixed in 9 products on 1 platform, first by KB4038783, released September 12, 2017. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.2
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0346
89th percentile

<p>A security feature bypass vulnerability exists in Microsoft Edge when the Edge <a href="https://technet.microsoft.com/en-us/library/security/dn848375.aspx#CSP">Content Security Policy (CSP)</a> fails to properly validate certain specially crafted documents. An attacker who exploited the bypass could trick a user into loading a page containing malicious content.</p> <p>To exploit the bypass, an attacker must trick a user into either loading a page containing malicious content or visiting a malicious website. The attacker could also inject the malicious page into either a compromised website or an advertisement network.</p> <p>The security update addresses the bypass by correcting how the Edge CSP validates documents.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems 10586.1106 KB4038783 Sep 12, 2017
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems 10586.1106 KB4038783 Sep 12, 2017
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems 14393.1715 KB4038782 Sep 12, 2017
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems 14393.1715 KB4038782 Sep 12, 2017
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems 15063.608 KB4038788 Sep 12, 2017
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems 15063.608 KB4038788 Sep 12, 2017
Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems 10240.17609 KB4038781 Sep 12, 2017
Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems 10240.17609 KB4038781 Sep 12, 2017
Microsoft Edge (EdgeHTML-based) on Windows Server 2016 14393.1715 KB4038782 Sep 12, 2017