ChangeIntelIT change radar
Public mode

No tenant, Graph, or device access. Every item links to its source. What this means

Some sources or documents need attention: 254/255 feeds/APIs · 0/409 docs · checked 14:57 UTC Customize Public modeDiscuss ChangeIntel on Discord
CVE-2026-0300CISA KEV

Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability

CISA lists this Palo Alto Networks PAN-OS vulnerability as known exploited. The vendor's advisory has the fixed versions.

CISA KEVVendor advisoryNVD

CISA catalog record

Palo Alto Networks PAN-OS contains an out-of-bounds write vulnerability in the User-ID Authentication Portal (aka Captive Portal) service that can allow an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets.

Product
PAN-OS
Added to KEV
6 May 2026
Federal remediation due
9 May 2026
Known ransomware use
Not reported

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

Cite this recorded revision to keep the same title, summary, facts and links when the page changes.

A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.

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 14 Oct 14:57 UTC · 254 of 255 readable · 253 fully read · documentation 0/409 current

No accounts or analytics; your preferences stay in your browser. Information, not advice. ChangeIntel is an independent tool and is not affiliated with or endorsed by Microsoft, Apple, Google, Broadcom (VMware), Jamf, Oracle, Mozilla, or any other vendor it covers. Product names are trademarks of their owners. Built by Evotec.