EUVD-2026-73450
GHSA-2344-8ffc-x6cx
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local access with low-privilege credentials suffices to trigger OOB read; no write, no scope change, and confidentiality-only impact confirms C:H/I:N/A:N.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Windows Imaging Component allows an authorized attacker to disclose information locally.
AnalysisAI
Out-of-bounds read in Windows Imaging Component (WIC) allows a locally authenticated attacker with standard user-level privileges to read memory contents beyond allocated buffer boundaries, disclosing potentially sensitive in-process data. The vulnerability affects an exceptionally wide range of Windows releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, confirmed by EUVD/NVD version data and reported directly by Microsoft MSRC. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated local session on the target Windows host with at minimum standard user (low-privilege) credentials - no administrative rights, no specific application roles, and no special configuration flags are necessary beyond local logon access. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.5 Medium score accurately reflects the constrained risk profile of this vulnerability. … 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-issued security update corresponding to each affected Windows version through Windows Update, WSUS, or Microsoft Update Catalog. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today