CVE-2026-42799

HIGHNVD 7.47.4—

7.4

Out-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers.

This vulnerability is associated with program files Code/Nr/nr_fw/RA/src/NrPwrCtrl.C.

This issue affects Kestrel: before 2026/02/10.

CVSS v3: 7.4
EG Score: 7.4(high)
EPSS: 4.7%
KEV: Not listed

Published

April 30, 2026

Last Modified

May 5, 2026

Advisory Details (1)

Auto-updated Apr 30, 2026

No patch confirmed yet.

generic

Security Center

https://www.asrmicro.com/en/goods/psirt?cid=44

Weakness Classification(1)

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

CWE-125Out-of-bounds Read

Data Freshness Timeline

(refreshed 13× in last 7d / 19× 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
2026-05-26 07:18 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 15:04 UTCEG score recompute
2026-05-20 15:04 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-42799?

CVE-2026-42799 is a high vulnerability published on April 30, 2026. Out-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers. This vulnerability is associated with program files Code/Nr/nr_fw/RA/src/NrPwrCtrl.C. This issue affects Kestrel: before 2026/02/10.

When was CVE-2026-42799 disclosed?

CVE-2026-42799 was first published in the National Vulnerability Database on April 30, 2026, with the most recent update on May 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-42799 actively exploited?

CVE-2026-42799 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-42799?

CVE-2026-42799 has a CVSS v3 base score of 7.4 (NVD).

How do I remediate CVE-2026-42799?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42799, 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.

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CVE-2026-42799

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Security Center

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-42799?

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Frequently asked(5)

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