An incomplete fix for CVE-2026-15352 in the NASA core Flight System (cFS) Health and Safety (HS) application leaves a separate NULL pointer dereference reachable in versions through 7.0.1. An attacker who can trigger the affected command under specific conditions could cause the HS application to crash, resulting in a denial-of-service condition and processor reset.
CVE-2026-18064
HIGHPre-NVD 7.57.5—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-31. the CNA's CVSS baseline 7.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: cna:icscert, ghsa
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 7.5Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
July 30, 2026
Last Modified
July 31, 2026
Advisory Details (3)
Auto-updated Jul 30, 2026⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
generic
CSAF/csaf_files/OT/white/2026/icsa-26-211-06.json at develop · cisagov/CSAF · GitHub
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-06.jsoncisa Patch Available🔴 Active Exploitation
NASA Core Flight System (cFS) Health & Safety (HS) Application | CISA
NASA Core Flight System (cFS) Health & Safety (HS) Application | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-06generic
GitHub - nasa/HS: The Core Flight System (cFS) Health and Safety (HS) application. · GitHub
https://github.com/nasa/HSVendor Advisories for CVE-2026-18064(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 7× 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.
- 2026-07-31 16:25 UTCEG score recompute
- 2026-07-31 16:24 UTCGHSA enrichment
- 2026-07-31 11:06 UTCEG score recompute
- 2026-07-31 11:06 UTCGHSA enrichment
- 2026-07-30 22:20 UTCEG score recompute
- 2026-07-30 21:51 UTCEG score recompute
- 2026-07-30 21:50 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2026-18064?
CVE-2026-18064 is a high vulnerability published on July 30, 2026. An incomplete fix for CVE-2026-15352 in the NASA core Flight System (cFS) Health and Safety (HS) application leaves a separate NULL pointer dereference reachable in versions through 7.0.1. An attacker who can trigger the affected command under specific conditions could cause the HS application to…
When was CVE-2026-18064 disclosed?
CVE-2026-18064 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on July 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-18064?
CVE-2026-18064 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-18064?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18064, 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-2026-18064
Is Your Infrastructure Affected by CVE-2026-18064?
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