CVE-2026-0264
PAN-OS: Heap-Based Buffer Overflow in DNS Proxy and DNS Server Allows Unauthenticated Remote Code Execution
No known exploitation. EPSS puts it in the 49th percentile. Fixed versions are out.
No public exploit knownFix4 products6 fixed builds listed below
e.g. OID 1.3.6.1.4.1.25623.1.0.156969
What to do
Find your product and version, then upgrade to the build on the right.
- Palo Alto Networks PAN-OSAffected: ≥ 12.1.0, < 12.1.7Upgrade to: 12.1.7Affected: ≥ 12.1.0, < 12.1.4-h5Upgrade to: 12.1.4-h5Affected: ≥ 11.2.0, < 11.2.12Upgrade to: 11.2.12Affected: ≥ 11.2.0, < 11.2.10-h6Upgrade to: 11.2.10-h6 + 13 more branchesStated by: CVE record
- Palo Alto Networks Cloud NGFWFixed buildsAllStated by: CVE record
- Palo Alto Networks Prisma AccessFixed buildsAllStated by: CVE record
- Paloaltonetworks Pan-osAffected: < 10.2.7Upgrade to: 10.2.7Stated by: NVD
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
Palo Alto Networks has published [1] information on vulnerabilities in PAN-OS. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Siemens is preparing fix versions and recommends countermeasures for products where fixes are not, or not yet available. Customers are advised to consult and implement the workarounds provided in Palo Alto Networks' upstream security notifications. [1] https://security.paloaltonetworks.com/
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.6% chance of exploitation activity in the next 30 days, which ranks it in the 49th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
13 events over 166 days, from the signal feeds we watch.
- Patch availableworkaround available, record updated
- Patch availableworkaround available, record updated
- OpenVAS check added
- Patch availableworkaround available, record updated
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Scored 9.8 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
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