CVE-2026-88098

7.0High

Published 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash

7.0High

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-822

Impact

A local authenticated attacker can elevate privileges to SYSTEM. They need prior code execution or local account access on the host first.

Root cause

An untrusted pointer dereference flaw exists in the Windows Security Support Provider Interface (SSPI).

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Install the relevant Microsoft security update from the vendor advisory for your Windows version; no standalone workaround or configuration change is documented.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Untrusted pointer dereference in Windows Security Support Provider Interface allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88098PatchVendor Advisory

Source: nvd.nist.gov/vuln/detail/CVE-2026-88098