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HP Support Assistant EUVDEUVD-2026-70656

| CVE-2026-15431 HIGH
Insufficient Granularity of Access Control (CWE-1220)
2026-09-03 hp GHSA-jm25-2q7v-phxv
7.3
CVSS 4.0 · Vendor: hp
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Severity by source

Vendor (hp) PRIMARY
7.3 HIGH
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.8 HIGH

Local access (AV:L), low-privileged user required (PR:L), no interaction needed (UI:N); full system compromise on successful privilege escalation, no scope change.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (hp).

CVSS VectorVendor: hp

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
Patch available
Sep 03, 2026 - 20:02 EUVD
Analysis Generated
Sep 03, 2026 - 19:06 vuln.today
CVE Published
Sep 03, 2026 - 18:19 cve.org
HIGH 7.3

DescriptionCVE.org

A potential security vulnerability has been identified in the HP Support Assistant for versions prior to 9.53.2.0. The vulnerability could potentially allow a local attacker to escalate privileges due to insufficient access controls.

AnalysisAI

Local privilege escalation in HP Support Assistant (versions prior to 9.53.2.0) allows a low-privileged local user to gain elevated system privileges by exploiting insufficient granularity in access controls (CWE-1220). The vulnerability requires local authenticated access but no user interaction, and the CVSS 4.0 AT:P metric indicates specific attack conditions must be present. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires a local, authenticated user account with low privileges on an HP system running HP Support Assistant versions prior to 9.53.2.0. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 7.3 with vector AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N indicates a local, low-complexity attack requiring low privileges but dependent on specific conditions (AT:P). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation The primary fix is to upgrade HP Support Assistant to version 9.53.2.0 or later, as confirmed by the vendor advisory HPSBGN04131 at https://support.hp.com/us-en/document/ish_15587742-15587765-16/hpsbgn04131. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory endpoints running HP Support Assistant and identify the current version on each system using endpoint management or asset discovery tools. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-70656 vulnerability details – vuln.today

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