Windows AppX Deployment Extensions Elevation of Privilege Vulnerability CVE-2021-1642 Security Vulnerability Released: Jan 12, 2021 Assigning CNA: Microsoft Impact: Elevation of Privilege Max Severity: Important CVSS Source: Microsoft CVSS:3.1 7.8 / 6.8 Temporal score metrics (3) Exploit Code Example: Description: This vulnerability allows local users to gain privileges on the system. The attacker can exploit this vulnerability by sending a specially crafted file to the victim's system. The attacker can then use this vulnerability to gain access to the system and perform actions with elevated privileges. Solution: Microsoft has released a security update to fix this vulnerability. Users are advised to apply the security update as soon as possible to protect their systems from potential attacks. References: Microsoft Knowledge Base Article Exploit Code Example Vulnerability Details Acknowledgements: The vulnerability was reported by a security researcher and was assigned the CVE-2021-1642 identifier. Microsoft would like to thank the researcher for their contribution to improving the security of its products.