A privilege escalation vulnerability in Palo Alto Networks Cortex® XDR Broker VM enables a locally authenticated user to perform actions as the root user.
CVE-2026-0276
HIGHNVD 7.87.8—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 7.8 from GitHub Security Advisory (severity: LOW) published 2026-07-09. NVD baseline CVSS 7.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(high)
- EPSS
- 4.2%
- KEV
- Not listed
Published
July 9, 2026
Last Modified
July 16, 2026
Advisory Details (1)
Auto-updated Jul 16, 2026No patch confirmed yet.
generic
CVE-2026-0276 Cortex XDR Broker VM: Privilege Escalation (PE) Vulnerability
https://security.paloaltonetworks.com/CVE-2026-0276Vendor Advisories for CVE-2026-0276(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 20× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-21 15:24 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-17 08:25 UTCEG score recompute▲ 6.70
- 2026-07-17 08:25 UTCGHSA enrichment
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-16 14:29 UTCNVD updateCVSS v3 → 7.8 · severity → HIGH
- 2026-07-16 02:43 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-13 22:30 UTCEPSS rescore
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-12 23:17 UTCGHSA enrichment
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-09 19:51 UTCEG score recompute
- 2026-07-09 19:50 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-269
Frequently asked(5)
What is CVE-2026-0276?
CVE-2026-0276 is a high vulnerability published on July 9, 2026. A privilege escalation vulnerability in Palo Alto Networks Cortex® XDR Broker VM enables a locally authenticated user to perform actions as the root user.
When was CVE-2026-0276 disclosed?
CVE-2026-0276 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-0276 actively exploited?
CVE-2026-0276 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-0276?
CVE-2026-0276 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-0276?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0276, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-0276
Is Your Infrastructure Affected by CVE-2026-0276?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.