EUVD-2026-56316
GHSA-f3vg-888c-qj98
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local vector and low-privilege requirement match the description; confidentiality-only impact reflects CWE-908 memory disclosure with no integrity or availability effect.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information locally.
AnalysisAI
Windows Event Logging Service on multiple Windows desktop and server versions exposes uninitialized memory contents to locally authenticated attackers via CWE-908, enabling information disclosure without elevated privileges or user interaction. The CVSS vector (AV:L/PR:L/C:H) confirms that an authorized local user can trigger the flaw to read stale memory that may contain sensitive data from other processes or OS operations. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a local authenticated session on the target host - the CVSS PR:L metric confirms that at minimum a standard (non-administrative) user account is needed; unauthenticated or remote exploitation is not possible given AV:L. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate and clearly bounded by the local attack vector. … 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 for CVE-2026-59137 via Windows Update, WSUS, or Microsoft Update Catalog. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-908 – Use of Uninitialized Resource
View allSame technique Information Disclosure
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External POC / Exploit Code
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