CVE-2026-8834

HIGHPre-NVD 8.08.0—Trending — 3 sources updated this week

8.0

IBM HTTP Server 8.5, and 9.0 contains a buffer overflow vulnerability. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to execute remote code or cause a denial of service.

CVSS v3: 8.0
EG Score: 8.0(high)
EPSS: 0.6%
KEV: Not listed

Published

May 26, 2026

Last Modified

May 28, 2026

Advisory Details (1)

Auto-updated Jun 3, 2026

No patch confirmed yet.

generic

Security Bulletin: IBM HTTP Server is affected by multiple vulnerabilities

https://www.ibm.com/support/pages/node/7274065

Vendor Advisories for CVE-2026-8834(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-34j9-v3rv-pgg8
GitHub Security AdvisoriesHigh
IBM HTTP Server 8.5, and 9.0 contains a buffer overflow vulnerability. A privileged user,...

Weakness Classification(1)

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

CWE-122Heap-based Buffer Overflow

Data Freshness Timeline

(refreshed 20× in last 7d / 20× 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.

2026-06-06 02:48 UTCEG score recompute
2026-06-06 02:48 UTCGHSA enrichment
2026-06-05 22:47 UTCepss_batch
2026-06-05 15:50 UTCEG score recompute
2026-06-05 15:50 UTCGHSA enrichment
2026-06-05 04:52 UTCEG score recompute
2026-06-05 04:52 UTCGHSA enrichment
2026-06-04 17:54 UTCEG score recompute
2026-06-04 17:54 UTCGHSA enrichment
2026-06-04 13:12 UTCepss_batch
2026-06-04 06:56 UTCEG score recompute
2026-06-04 06:56 UTCGHSA enrichment
2026-06-03 19:58 UTCEG score recompute
2026-06-03 19:58 UTCGHSA enrichment
2026-06-03 09:00 UTCEG score recompute
2026-06-03 08:59 UTCGHSA enrichment
2026-06-02 22:00 UTCEG score recompute
2026-06-02 22:00 UTCGHSA enrichment
2026-06-02 20:13 UTCepss_batch
2026-06-02 11:01 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-8834?

CVE-2026-8834 is a high vulnerability published on May 26, 2026. IBM HTTP Server 8.5, and 9.0 contains a buffer overflow vulnerability. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to execute remote code or cause a denial of service.

When was CVE-2026-8834 disclosed?

CVE-2026-8834 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on May 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-8834 actively exploited?

CVE-2026-8834 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-8834?

CVE-2026-8834 has a CVSS v3 base score of 8.0 (NVD).

How do I remediate CVE-2026-8834?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8834, 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-2026-8834

📅 Published

🔄 Last Modified

📋 Advisory Details (1)