EUVD-2026-73091
GHSA-wv82-mfvx-c3hg
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Local access only (AV:L), PR:L for authenticated user, AC:H due to UAF race-condition timing requirement; full SYSTEM impact justifies C:H/I:H/A:H.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in Windows Remote Access Connection Manager (RACM) exploits a use-after-free memory corruption flaw to allow an authorized low-privileged user to gain full SYSTEM-level control. The vulnerability spans an exceptionally broad range of Microsoft platforms - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making it widely applicable across enterprise environments. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an existing low-privileged local account on the target Windows system (PR:L per CVSS). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.0 base score (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately reflects the realistic exploitation bar: local authenticated access is required, and high complexity (AC:H) indicates the attacker must meet difficult preconditions, likely a race condition. … 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 Microsoft's security update for the applicable Windows version, as identified under the July 2026 Patch Tuesday cycle. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all affected systems running Windows Server 2012-2019, 2022, 2025, and Windows 11 (all versions through 26H1). …
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Same weakness CWE-416 – Use After Free
View allSame technique Use After Free
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External POC / Exploit Code
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