Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local-only UAF requiring a valid low-privileged user session; impact is memory disclosure only with no integrity or availability effect.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Windows Network Connection Broker allows an authorized attacker to disclose information locally.
AnalysisAI
Use-after-free in the Windows Network Connection Broker service allows a local authenticated attacker to read stale heap memory, disclosing potentially sensitive information. The vulnerability spans every supported Windows client and server release from Windows 10 1607 and Windows Server 2016 through Windows 11 25H2 and Windows Server 2025, making the exposed surface extremely broad. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid low-privileged local user account on the target Windows system, consistent with PR:L in the CVSS 3.1 vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVE-2026-68886 represents a moderate real-world risk, consistent with its CVSS 5.5 rating. … 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 updates corresponding to each affected SKU. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-209 – Error Message Information Leak
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-73416
GHSA-m28r-p569-2279