EUVD-2026-73422
GHSA-3m3r-q9gc-6jw7
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local low-privilege user triggers uninitialized memory read with no integrity or availability impact; confidentiality rated High for potential sensitive data leakage.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Use of uninitialized resource in Windows GDI+ allows an authorized attacker to disclose information locally.
AnalysisAI
Windows GDI+ (Graphics Device Interface Plus) fails to initialize a resource before use (CWE-908), allowing a local low-privileged attacker to read residual memory contents and disclose potentially sensitive information from the affected system. The flaw spans virtually every supported Windows release - from Server 2012 through Windows 11 26H1 and Server 2025 - making it one of the broadest-footprint components affected. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local interactive access or a remote desktop session with at least a standard low-privileged user account on an unpatched Windows host. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.5 score (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) is internally consistent: local access is required, there is no integrity or availability impact, but confidentiality is rated High - indicating the potential to leak meaningful data such as memory addresses, stack canary values, cryptographic key material, or pointer-sized objects from adjacent allocations. … 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 your Windows version through Windows Update, WSUS, or Microsoft Update Catalog - the vendor-released patch is available per the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69288. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-908 – Use of Uninitialized Resource
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External POC / Exploit Code
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