CVE-2018-8370

Microsoft Edge Information Disclosure Vulnerability

CVE-2018-8370 is fixed in 11 products on 1 platform, first by KB4343887, released August 14, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
3.1
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0488
92nd percentile

<p>A information disclosure vulnerability exists when WebAudio Library improperly handles audio requests.</p> <p>An attacker who has successfully exploited this vulnerability might be able to read privileged data across trust boundaries. In browsing scenarios, an attacker could convince a user to visit a malicious site and leverage the vulnerability to obtain privileged information from the browser process, such as sensitive data from other opened tabs. An attacker could also inject malicious code into advertising networks used by trusted sites or embed malicious code on a compromised, but trusted, site.</p> <p>The update addresses the vulnerability by correcting how the WebAudio Library handles audio requests.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems 14393.2430 KB4343887 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems 14393.2430 KB4343887 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems 15063.1266 KB4343885 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems 15063.1266 KB4343885 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems 16299.611 KB4343897 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems 16299.611 KB4343897 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems 17134.228 KB4343909 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems 17134.228 KB4343909 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems 10240.17946 KB4343892 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems 10240.17946 KB4343892 Aug 14, 2018
Microsoft Edge (EdgeHTML-based) on Windows Server 2016 14393.2430 KB4343887 Aug 14, 2018