SB2021060833 - Security restrictions bypass in Windows HTML Platform 



SB2021060833 - Security restrictions bypass in Windows HTML Platform

Published: June 8, 2021

Security Bulletin ID SB2021060833
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security restrictins bypass (CVE-ID: CVE-2021-31971)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to Windows HTML Platform does not properly impose security restrictions. A remote attacker can create a specially crafted web page, trick the victim into opening it and bypass implemented security restrictions.


Remediation

Install update from vendor's website.