Use-after-free in Microsoft Edge - CVE-2020-1096

 

Use-after-free in Microsoft Edge - CVE-2020-1096

Published: May 12, 2020 / Updated: May 13, 2020


Vulnerability identifier: #VU27807
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-1096
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Edge

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the processing of Type1C fonts in the Windows PDF Library. A remote attacker can trick a victim to visit a malicious website, trigger a use-after-free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2020-1096

Install update from vendor's website.

Sources