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CVE-2026-76418CISA KEV

Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability

CISA lists this Cisco Secure Firewall ASA Software and Cisco Secure FTD Software vulnerability as known exploited. Check the cited references and original publisher guidance for affected products and remediation.

CISA KEVCISA-cited referenceNVD

CISA catalog record

Cisco Secure Firewall ASA Software and Cisco Secure FTD Software contains an unchecked return value to NULL pointer dereference vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.

Product
Secure Firewall ASA Software and Cisco Secure FTD Software
Added to KEV
29 Oct 2026
Federal remediation due
1 Nov 2026
Known ransomware use
Not reported
Page history

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Cite this version
Field-level log (2)

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  1. 29 Oct 2026 · 20:19:26 UTC Link: Vendor advisoryhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75 → No longer listed in this observation
  2. 29 Oct 2026 · 20:19:26 UTC Link: CISA-cited referencehttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75

Explore global source statements, affected packages and advisory history for CVE-2026-76418. 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-2026-76418 · Microsoft / collected KEV context

cve-program · CVE-2026-76418

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 6 Nov 23:29 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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