EUVD-2026-73055
GHSA-3x7w-w3w9-jr24
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local access with low privileges required; strictly a read primitive disclosing service memory; no integrity or availability impact applies.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Windows Wireless Wide Area Network Service allows an authorized attacker to disclose information locally.
AnalysisAI
Windows Wireless Wide Area Network (WWAN) Service on multiple Windows 10, Windows 11, and Windows Server editions contains an out-of-bounds read (CWE-125) that allows a locally authenticated low-privileged user to disclose sensitive contents from the service's memory. The flaw resides in the WWAN service process - responsible for managing mobile broadband connectivity - and affects system confidentiality without granting write access or code execution capability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid, locally authenticated user account with at least low-level privileges (PR:L) on the target Windows system; remote or unauthenticated exploitation is not possible per the AV:L/PR:L CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.5 (Medium) accurately reflects a constrained risk profile: local-only attack vector (AV:L), low privilege required (PR:L), unchanged scope, and exclusively confidentiality impact (C:H/I:N/A:N). … 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 cumulative security update appropriate for the installed Windows build. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
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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
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