CVE-2026-44278

unknowncovered by 1 sourcefirst seen 2026-05-12

CVSSv3 Score: 2.1 A Missing Authorization [CWE-862] in FortiClient Windows may allow an authenticated local attacker to decrypt a currently logged in users VPN password via use of an unprotected DLL function. Revised on 2026-05-12 00:00:00

CSIRTS triage

What: A missing authorization vulnerability allows local attackers to decrypt VPN passwords.
Who is affected: Authenticated local users of FortiClient on Windows.
Urgency: Remediation is important as it could lead to sensitive information disclosure.
Action: Apply patches or restrict access to the affected functionality.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownHardcoded Encryption Key Used for VPN Saved Passwordsfortinet · 2026-05-12

External references

NVD record for CVE-2026-44278

CVE.org record

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