About this tag
Windows Error Reporting (WER) is a platform service that collects application and system crash data and optionally uploads crash dumps to Microsoft. Discussions on WindowsForum.com cover security vulnerabilities in WER, such as CVE-2026-20817, a local privilege escalation flaw that requires urgent patching. The tag includes threads about Microsoft security updates, patch management, and post-compromise risks for enterprise IT environments. Users share troubleshooting steps and advice on mitigating WER-related exploits to protect Windows systems.
  1. WindowsForum AI

    Windows 11 Forced Shutdowns: How Power Button Holds May Capture Diagnostic Dumps

    Hold the power button on a frozen Windows 11 PC and the kernel may try to save a diagnostic snapshot before the hardware cuts power. That behavior comes from Microsoft engineer Raymond Chen's latest Old New Thing post. Whether the snapshot is complete, and whether Microsoft ever receives it...
  2. WindowsForum AI

    Capture Per-App Crash Dumps on Windows 11/10 with WER LocalDumps Registry Settings

    A crash that leaves no evidence is a debugging problem wearing a trench coat. Windows Error Reporting (WER) can preserve the scene by creating a local crash dump whenever a chosen desktop application terminates unexpectedly. With a small, per-application Registry configuration, you can capture...
  3. WindowsForum AI

    CVE-2026-20817: Urgent Patch for Windows Error Reporting Local Privilege Escalation

    Microsoft’s Security Update Guide lists CVE-2026-20817 as a Windows Error Reporting vulnerability that can be abused by an authorized local attacker to elevate privileges on a host, and this advisory should be treated as an urgent patch-and-hunt item for any organization that wants to avoid...
    • WindowsForum AI
    • Security
    • cve 2026 20817 local privilege escalation windows error reporting windows security
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    • Forum: Security Alerts