CVE-2026-74693

UNRATEDCVSS · not yet scoredTrending — 3 sources updated this week
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EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS v2: —Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In the Linux kernel, the following vulnerability has been resolved:

net: prestera: validate firmware header length

prestera_fw_hdr_parse() reads the firmware header before checking that the firmware image contains that header.

Reject images shorter than struct prestera_fw_header before decoding the magic and version fields.

CVSS v3
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EchelonGraph score
Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
EG Score
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EG Risk
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EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

August 22, 2026

Last Modified

August 22, 2026

References (8)

Vendor Advisories for CVE-2026-74693(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 11× 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.

  1. 2026-08-29 06:52 UTCGHSA enrichment
  2. 2026-08-28 21:42 UTCEPSS rescore
  3. 2026-08-27 14:25 UTCEPSS rescore
  4. 2026-08-26 14:47 UTCEPSS rescore
  5. 2026-08-25 23:38 UTCEG score recompute
  6. 2026-08-25 23:37 UTCGHSA enrichment
  7. 2026-08-25 13:49 UTCEPSS rescore
  8. 2026-08-24 14:18 UTCEPSS rescore
  9. 2026-08-22 16:24 UTCNVD update
  10. 2026-08-22 15:40 UTCEG score recompute
  11. 2026-08-22 15:35 UTCMITRE cvelistV5first tracked

Frequently asked(4)

What is CVE-2026-74693?
CVE-2026-74693 is a publicly disclosed vulnerability published on August 22, 2026. In the Linux kernel, the following vulnerability has been resolved: net: prestera: validate firmware header length presterafwhdr_parse() reads the firmware header before checking that the firmware image contains that header. Reject images shorter than struct presterafwheader before decoding the…
When was CVE-2026-74693 disclosed?
CVE-2026-74693 was first published in the National Vulnerability Database on August 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-74693 actively exploited?
CVE-2026-74693 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 92.7% of all scored CVEs.
How do I remediate CVE-2026-74693?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-74693, 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

Explore the affected products and dependency analysis for CVE-2026-74693

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