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CVE-2026-0275 Palo Alto Networks CVE debrief

CVE-2026-0275 is a local privilege escalation vulnerability in Palo Alto Networks Prisma Browser on macOS. An authenticated administrator with local filesystem access can perform actions with root privileges. This issue specifically affects Prisma Browser on macOS and does not impact other platforms. The vulnerability allows a locally authenticated administrator to escalate privileges to root, potentially leading to unauthorized actions on the device.

Vendor
Palo Alto Networks
Product
Prisma Browser
CVSS
LOW 2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-09
Original CVE updated
2026-07-10
Advisory published
2026-07-09
Advisory updated
2026-07-10

Who should care

macOS users of Palo Alto Networks Prisma Browser, especially those with administrative privileges, should be aware of this vulnerability. System administrators and security teams responsible for managing Prisma Browser installations on macOS should prioritize assessing the risk and implementing necessary mitigations.

Technical summary

The vulnerability exists in Palo Alto Networks Prisma Browser on macOS, allowing a locally authenticated administrator to escalate privileges to root. The issue is specific to macOS and does not affect other platforms. This escalation could enable an administrator to perform actions that would typically be restricted to root users, increasing the risk of unauthorized system modifications. Affected product deployments should be confirmed in managed environments, and owners should be assigned for follow-up. The CVE record and official advisory should be reviewed to validate affected scope, severity, and vendor guidance. Vendor-supported updates or mitigations should be planned through normal change control where exposure is confirmed. Compensating controls should be reviewed for exposed systems while remediation is scheduled and verified.

Defensive priority

Low priority due to local access requirement and low CVSS score. However, given the potential impact of privilege escalation, it is essential to apply patches or mitigations as soon as possible to prevent potential exploitation.

Recommended defensive actions

  • Inventory Prisma Browser installations on macOS
  • Verify local access controls and authentication
  • Monitor for suspicious activity
  • Apply vendor patches when available
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-07-09T20:16:24.537Z and last modified on 2026-07-10T17:49:57.737Z. The NVD entry is currently Awaiting Analysis. This information is based on the provided source corpus and may not reflect the current status. Users should verify the information with the official sources for the most up-to-date details.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-0275 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-0275

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-0275 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-0275

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.