Incomplete blacklist vulnerability in the Windows Packager configuration in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted ClickOnce application in a Microsoft Office document, related to .application files, aka "Assembly Execution Vulnerability."
Use Microsoft vendor hub and Windows 7 product page to widen CVE-2012-0013 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2022-35744, CVE-2022-35753 and CVE-2022-35752 for nearby disclosures in the same product family. Additional editorial context is available in Weekly Security Roundup: Navigating the April 2026 Threat Landscape and Critical Framework Exploits.