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CVE-2026-0310 is a CWE-787 out-of-bounds write in the XML-processing functionality of Palo Alto Networks PAN-OS. Crafted XML sent to a reachable management web interface or dataplane interface can trigger the buffer overflow. On PA-Series hardware firewalls, the vulnerability can permit unauthenticated remote execution of arbitrary code with root privileges. On VM-Series firewalls, the documented impact is denial of service. Panorama is also affected; Prisma Access and Cloud NGFW are affected under more restricted conditions.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A buffer-overflow vulnerability in PAN-OS XML processing. The notice identifies Cloud NGFW, PAN-OS, Prisma Access, and Prisma Browser as Palo Alto Networks products with affected versions, but does not explicitly map each product to CVE-2026-0310.
A buffer-overflow vulnerability in Palo Alto Networks PAN-OS involving XML processing. The notice identifies Palo Alto Networks Cloud NGFW on AWS and Azure, PAN-OS, Prisma Access, and Prisma Browser as affected products but provides no further technical or exploitation details.
A high-severity out-of-bounds-write buffer overflow in PAN-OS XML processing. Network-reachable exploitation can provide unauthenticated root-level remote code execution on affected PA-Series hardware firewalls; impact is limited to denial of service on VM-Series firewalls. Prisma Access and Cloud NGFW are also affected under more restricted, authenticated-access conditions.
An XML-processing buffer overflow in Palo Alto PAN-OS. It can permit unauthenticated, network-based root-level remote code execution on affected PA-Series hardware firewalls; on affected VM-Series firewalls, impact is limited to denial of service. Prisma Access and Cloud NGFW are also affected, with authentication required and more restricted external access.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.