CVE-2026-4667

HIGHNVD 7.3

7.3

HP System Optimizer might potentially be vulnerable to escalation of privilege. HP is releasing an update to mitigate this potential vulnerability.

CVSS v3: 7.3
EG Score: 0.0(none)
EPSS: 5.2%
KEV: Not listed

Published

April 15, 2026

Last Modified

April 17, 2026

References (1)

hp-security-alert@hphttps://support.hp.com/us-en/document/ish_14747002-14747024-16/hpsbgn04101

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-250Execution with Unnecessary Privileges

Data Freshness Timeline

(refreshed 12× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 17:09 UTCEG score recompute
2026-05-20 17:09 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-4667?

CVE-2026-4667 is a high vulnerability published on April 15, 2026. HP System Optimizer might potentially be vulnerable to escalation of privilege. HP is releasing an update to mitigate this potential vulnerability.

When was CVE-2026-4667 disclosed?

CVE-2026-4667 was first published in the National Vulnerability Database on April 15, 2026, with the most recent update on April 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-4667 actively exploited?

CVE-2026-4667 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-4667?

CVE-2026-4667 has a CVSS v3 base score of 7.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2026-4667?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4667, 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

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CVE-2026-4667

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-4667?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)