October 19, 2026

CVE Watchtower

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CVE-2026-0288NVD

Vulnerability Summary

Multiple buffer overflow vulnerabilities in the User-ID Terminal Server Agent (TSA) component of Palo Alto Networks PAN-OS software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code by sending specially crafted network traffic.

The security risk posed by this issue is minimized when the User-ID Terminal Server Agent connectivity is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://docs.paloaltonetworks.com/ngfw/help/10-2/user-identification/device-user-identification-terminal-services-agents#:~:text=To%20minimize%20security%20risk%2C%20restrict%20TS%20Agent%20connectivity%20to%20trusted%20internal%20IP%20addresses%20only. .

Panorama is not impacted by this vulnerability.
Severity Level
UNKNOWN
Published Date
Jul 8, 2026
Last Modified
Aug 11, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.83%Probability
Root Weakness (CWE)
CWE-787: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v4.0 Base Metrics — Score 7.2 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsPresent
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)Low
Integrity (Subsequent System)Low
Availability (Subsequent System)Low

Affected & Patched Versions

Affected Versions
  • Palo Alto Networks PAN-OS >= 12.1.0 and < 12.1.8
  • Palo Alto Networks PAN-OS >= 11.2.0 and < 11.2.13
  • Palo Alto Networks PAN-OS >= 11.1.0 and < 11.1.16
  • Palo Alto Networks PAN-OS >= 10.2.0 and < 10.2.7-h36
  • Palo Alto Networks Prisma Access >= 11.2.0 and < 11.2.7-h18
  • Palo Alto Networks Prisma Access >= 10.2.0 and < 10.2.10-h39
Patched Versions
  • Palo Alto Networks PAN-OS 12.1.8
  • Palo Alto Networks PAN-OS 11.2.13
  • Palo Alto Networks PAN-OS 11.1.16
  • Palo Alto Networks PAN-OS 10.2.7-h36
  • Palo Alto Networks Prisma Access 11.2.7-h18
  • Palo Alto Networks Prisma Access 10.2.10-h39
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🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References