CVE-2026-24811

CRITICALNVD 9.89.8—Trending — 3 sources updated this week

9.8

Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.

This issue affects root.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 29.8%
KEV: Not listed

Published

January 27, 2026

Last Modified

February 19, 2026

Advisory Details (2)

Auto-updated Jun 8, 2026

🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_pr.

generic🟡 PoC Available

Recent Common Vulnerabilities: does ROOT need to be updated? - ROOT

https://root.cern/blog/recent-common-vulnerabilities-when-does-ROOT-need-to-be-updated/

github_pr

[zlib] Fix potential vulnerable cloned functions

Fix merged in root-project/root PR #18526 on 2025-05-05 — awaiting tagged release

https://github.com/root-project/root/pull/18526

Weakness Classification(4)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 37× 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.

2026-06-12 23:12 UTCEPSS rescore
2026-06-12 23:12 UTCEPSS rescore
2026-06-11 14:00 UTCEPSS rescore
2026-06-10 22:18 UTCEPSS rescore
2026-06-10 22:18 UTCEPSS rescore
2026-06-10 13:22 UTCEPSS rescore
2026-06-08 14:17 UTCEPSS rescore
2026-06-08 14:17 UTCEPSS rescore
2026-06-08 06:59 UTCEG score recompute
2026-06-08 06:59 UTCGHSA enrichment
2026-06-08 02:37 UTCEG score recompute
2026-06-08 02:37 UTCGHSA enrichment
2026-06-07 15:25 UTCEPSS rescore
2026-06-07 15:25 UTCEPSS rescore
2026-06-07 15:25 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-05 22:47 UTCEPSS rescore
2026-06-05 22:47 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-04 13:12 UTCEPSS rescore
2026-06-04 13:12 UTCEPSS rescore
2026-06-02 20:13 UTCEPSS rescore
2026-06-02 20:13 UTCEPSS rescore

Show 12 more

2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-29 15:13 UTCEG score recompute
2026-05-29 15:13 UTCGHSA enrichment
2026-05-29 13:44 UTCEPSS rescore
2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-24811?

CVE-2026-24811 is a critical vulnerability published on January 27, 2026. Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C. This issue affects root.

When was CVE-2026-24811 disclosed?

CVE-2026-24811 was first published in the National Vulnerability Database on January 27, 2026, with the most recent update on February 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-24811 actively exploited?

CVE-2026-24811 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-24811?

CVE-2026-24811 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2026-24811?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-24811, 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-2026-24811

📅 Published

🔄 Last Modified

📋 Advisory Details (2)