EUVD-2026-72982
GHSA-67qj-x2mc-4mcm
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local-only exploitation (AV:L) with low privileges required (PR:L); full triad impact reflects SYSTEM-level escalation post-exploitation.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
6DescriptionCVE.org
Out-of-bounds read in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in Windows Error Reporting (WER) across virtually all supported Windows releases exploits an out-of-bounds read (CWE-125) to allow a low-privileged authenticated local user to gain SYSTEM-level access with full confidentiality, integrity, and availability impact. The breadth of affected platforms is significant, spanning Windows 10 versions 1607 through 22H2, Windows 11 versions 23H2 through 26H1, and Windows Server 2012 through Server 2025 including Server Core installations. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a low-privileged authenticated local session on the target Windows system (PR:L, AV:L per CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 7.8 (High) with AV:L/AC:L/PR:L/UI:N accurately characterizes a local privilege escalation requiring only a standard low-privileged user account with no special conditions. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft-released patches via Windows Update, Windows Server Update Services (WSUS), or Microsoft Update Catalog, targeting the minimum build numbers listed per platform in the affected versions section (e.g., Windows Server 2025 to build 10.0.26100.33438 or later, Windows 11 23H2 to build 10.0.22631.7582 or later). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, enumerate all Windows 10 (versions 1607-22H2), Windows 11 (versions 23H2-26H1), and Windows Server 2012-2025 systems in your environment. …
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today