EUVD-2026-73324
GHSA-gp9h-2629-q8m7
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local access with low-privileged account required; AC:L reflects reliable heap overflow; full CIA impact reflects SYSTEM-level escalation with no scope change.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows Work Folders allows an authorized attacker to elevate privileges locally.
AnalysisAI
Heap-based buffer overflow in the Windows Work Folders synchronization component allows a locally authenticated low-privileged user to escalate privileges to SYSTEM level across Windows 10 and Windows 11. The vulnerability (CWE-122) stems from improper bounds checking in a privileged Work Folders process and requires only a standard user account with no secondary user interaction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a locally authenticated session with at minimum a low-privileged (standard user) account on the target Windows 10 or Windows 11 system, as reflected in the CVSS AV:L/PR:L vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately captures the privilege escalation profile: local access with a standard user account, low attack complexity, no user interaction, and full CIA impact on the vulnerable system. … 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 | Microsoft has released cumulative updates resolving CVE-2026-80075. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct a comprehensive audit to identify all Windows 10 and Windows 11 systems with Work Folders enabled, prioritizing servers and admin-class workstations. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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