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Fortinet FortiOS Out-of-Bound Write Vulnerability

CISA lists this Fortinet FortiOS vulnerability as known exploited. Check the cited references and original publisher guidance for affected products and remediation.

CISA catalog record

Fortinet FortiOS contains an out-of-bound write vulnerability that allows a remote unauthenticated attacker to execute code or commands via specially crafted HTTP requests.

Product
FortiOS
Added to KEV
9 Feb 2024
Federal remediation due
16 Feb 2024
Known ransomware use
Yes
Page history

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Cite this version
Field-level log (4)

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  1. 29 Oct 2026 · 20:19:26 UTC Link: Vendor advisoryhttps://fortiguard.fortinet.com/psirt/FG-IR-24-015 → No longer listed in this observation
  2. 29 Oct 2026 · 20:19:26 UTC Link: CISA-cited referencehttps://fortiguard.fortinet.com/psirt/FG-IR-24-015
  3. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  4. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2024-21762. The catalog has a separate collection scope from Microsoft release records.

Explicit identifiers and source references

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2024-21762 · Microsoft / collected KEV context

cve-program · CVE-2024-21762

Related operational evidence

Explicit CVE identifiers
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 8 Nov 09:07 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current