Microsoft Releases August 2021 Security Updates

Updated: August 24, 2021

CISA is aware of open source reporting on the active exploitation of CVE-2021-36942 (PetitPotam). To address this vulnerability, Microsoft released a patch and mitigation guidance as part of its August 2021 security updates. CISA strongly encourages users and administrators to review those updates and take the necessary actions as soon as possible.

Original: August 10, 2021

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A remote attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review Microsoft’s August 2021 Security Update Summary and Deployment Information and apply the necessary updates.