CVE-2026-0276: palo alto networks cortex xdr broker vm Improper Privilege Management
CVSS: 7.8v3.1HighUndergoing analysis
Published 09-07-2026Last modified 14-07-2026
Vulnerability summary
CVE-2026-0276 is a high (CVSS 7.8) Improper Privilege Management vulnerability in palo alto networks cortex xdr broker vm. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.14%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-07-2026PublishedVulnerability first disclosed.
- 14-07-2026Last modifiedVulnerability information updated.
Description
A privilege escalation vulnerability in Palo Alto Networks Cortex® XDR Broker VM enables a locally authenticated user to perform actions as the root user.
CVSS metrics
3 scores · 2 sources · 2 versionsLow 1.1Preferred score · CVE.org (CNA)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:AmberSourcesAll 2 agree
- NVDNIST1.1LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
High 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
0.00 pp
From 0.14% on 21-09-2026
21-09-202621-10-2026
EPSS score0.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Palo alto networks1 product
- cortex xdr broker vm≥ 20.0.96, < 31.0.58
Paloaltonetworks1 product
- cortex_xdr_broker_vm≥ 20.0.96, < 31.0.58
2 vendors · 2 products
References
1 links- security.paloaltonetworks.com/CVE-2026-0276Vendor Advisory