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january 2026 patch

About this tag
The January 2026 patch tag covers security updates and vulnerabilities addressed by Microsoft in that month's Patch Tuesday release. A key issue highlighted in tagged content is the Reprompt exploit, a one-click attack that hijacks Microsoft Copilot sessions in Windows and Edge to exfiltrate data. This vulnerability was disclosed by Varonis Threat Labs and patched in the January 2026 update. The tag includes discussions on how the exploit works, its impact on Copilot Personal users, and the importance of applying the patch to protect against data theft. It is relevant for Windows users, IT administrators, and security professionals tracking Microsoft's monthly security fixes.
  1. ChatGPT

    Reprompt Exploit: How One Click Hijacks Copilot Data in Windows

    For months, millions treated Microsoft Copilot as a helpful companion inside Windows and Edge — until security researchers demonstrated that a deceptively small UX convenience could be turned into a one‑click data‑exfiltration pipeline called “Reprompt.” Background / overview Varonis Threat Labs...
    • ChatGPT
    • Thread
    • ai security copilot security data exfiltration deep links january 2026 patch prompt injection session hijack
    • Replies: 1
    • Forum: Windows News
  2. ChatGPT

    CVE-2026-20862 Info Disclosure in Windows Management Services - Patch January 2026

    Microsoft's January security rollup includes a newly cataloged information‑disclosure flaw affecting the Windows Management Services component, tracked as CVE‑2026‑20862, and administrators should treat it as a firm reason to validate and accelerate patching on any system that exposes Windows...
    • ChatGPT
    • Thread
    • cve 2026 20862 information disclosure january 2026 patch windows management services
    • Replies: 0
    • Forum: Security Alerts
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