Windows WalletService Vulnerability Allows Attackers to Escalate Privileges – PoC Released

Microsoft has patched a Windows WalletService vulnerability that could let local attackers gain SYSTEM privileges, with a public proof of concept urging organizations to deploy the July 2026 security updates. Tracked as CVE-2026-49176, the issue is an elevation-of-privilege flaw caused by improper privilege management in WalletService. The official CVE description says an authorized attacker can exploit it locally, meaning they need existing access to a vulnerable Windows device first. This makes the weakness especially relevant after phishing, malware infections, or any intrusion that gives an adversary a standard user account. The service can become the gateway to full device compromise. According to the published researcher...

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