Answer in brief
CVE-2026-0326 records a Low severity (CVSS 1.7) vulnerability in PAN-OS: Buffer Overflow Vulnerability in Protocol and Service Processing. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/Cloud NGFW (generic), Palo Alto Networks/PAN-OS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 1.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Palo Alto Networks/Cloud NGFW (generic), Palo Alto Networks/PAN-OS (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Palo Alto Networks/Cloud NGFWgeneric | All | Not reported |
| Palo Alto Networks/PAN-OSgeneric | >=12.2.0 <12.2.4-h2 || >=12.1.0 <12.1.10-h4 || >=11.2.0 <11.2.16-h2 || >=11.1.0 <11.1.16-h5 | 12.2.4-h2, 12.1.10-h4, 11.2.16-h2, 11.1.16-h5 |
Published upstream
Nov 11, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 11, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 11, 2026
A buffer overflow vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to disrupt service processing by causing a service process crash or memory corruption. Panorama and Prisma® Access are not affected by this vulnerability.
Quoted source text, attributed separately from HOL analysis.