EUVD-2026-73082
GHSA-ffcc-2g32-5pv5
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local authenticated low-privileged access required; no user interaction; SYSTEM-level code execution yields full C/I/A on the local system.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
AnalysisAI
Heap-based buffer overflow in the Windows Print Spooler Components (spoolsv.exe) enables a locally authenticated, low-privileged attacker to escalate privileges to SYSTEM on affected Windows hosts. The flaw spans an exceptionally wide swath of Microsoft's product portfolio - from legacy Windows Server 2012 through current Windows 11 26H1 and Windows Server 2025 - making patch coverage a substantial operational challenge. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated local Windows session with at least low-privilege access (standard user or domain user account). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 score accurately reflects a meaningful local privilege-escalation primitive: low-complexity, no user interaction, full C/I/A impact on the local 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 | The primary remediation is applying the vendor-released cumulative updates from Microsoft that bring each affected OS to or above the fixed build thresholds listed in the EUVD data - for example, Windows 11 24H2 to 10.0.26100.9445 or Windows Server 2022 to 10.0.20348.5622. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Windows Server 2012 R2, 2016, 2019, 2022, and 2025 systems, plus Windows 11 workstations, using your asset management or endpoint detection system, then check patch status in Windows Update or SCCM-prioritize print servers and multi-user systems where risk is highest. …
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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
Leaving vuln.today