EUVD-2026-72992
GHSA-593x-3mcf-q539
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Network-reachable default service, no authentication required, user interaction needed; code execution achieves full C/I/A impact with unchanged scope.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
AnalysisAI
Remote code execution via a heap-based buffer overflow in the Windows Event Logging Service (CWE-122) affects a sweeping range of Windows desktop and server releases, from Windows Server 2012 through Windows 11 26H1 and Server 2025. An unauthenticated network attacker can trigger the vulnerability with user interaction, achieving full system compromise (C:H/I:H/A:H). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The CVSS vector specifies PR:N (no authentication required) and UI:R (user interaction required), meaning no account privileges on the target are necessary, but some victim-side action must occur. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects a network-exploitable flaw requiring no authentication but dependent on some form of user interaction, which is the primary constraint moderating risk relative to a fully automated exploit chain. … 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 | Vendor-released patch: Apply the applicable Windows security update to bring affected builds to or above the fixed versions in EUVD-2026-72992. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an inventory of all Windows systems running affected versions (Server 2012-2025, Windows 11 26H1) and prioritize Windows Servers in production environments. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today