EUVD-2026-73230
GHSA-84px-p22h-p5ff
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local-only race-condition UAF requiring low-privileged auth (PR:L, AC:H); full system compromise after successful EoP (C:H/I:H/A:H); no scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in Windows Error Reporting (WER) exploits a use-after-free condition (CWE-416), enabling an authenticated low-privileged attacker to gain SYSTEM-level access on affected Windows systems. The flaw spans a wide range of platforms from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a local authenticated session with at least standard (low-privileged) user rights - the CVSS PR:L metric confirms authentication is required and PR:N (unauthenticated) does not apply. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.0 base score with AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H reflects a genuinely dangerous local privilege escalation constrained by exploitation complexity. … 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 security update corresponding to the installed Windows version, as documented in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69362. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running Windows 10 (version 1607 and later), Windows 11 (all versions), and Windows Server 2012 through Server 2025 to establish patching scope and priority. …
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Same weakness CWE-416 – Use After Free
View allSame technique Privilege Escalation
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External POC / Exploit Code
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