CVE-2025-36940

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

Use-After-Free vulnerability in a zircon kernel pager proxy (Fuchsia), which could lead to a Privilege Escalation from Userspace to Kernel (AP)

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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 computed
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

August 24, 2026

Last Modified

August 24, 2026

Advisory Details (1)

Auto-updated Aug 24, 2026
No patch confirmed yet.
generic

Nest Security Bulletin—August 2026 - Help

https://support.google.com/product-documentation/answer/17072818?hl=en&ref_topic=12974021&sjid=10451061435205708316-NC

Vendor Advisories for CVE-2025-36940(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 26× in last 7d / 26× 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. 2026-08-30 01:45 UTCEG score recompute
  2. 2026-08-30 01:45 UTCGHSA enrichment
  3. 2026-08-30 01:21 UTCEPSS rescore
  4. 2026-08-29 13:07 UTCGHSA enrichment
  5. 2026-08-29 00:26 UTCEG score recompute
  6. 2026-08-29 00:26 UTCGHSA enrichment
  7. 2026-08-28 21:40 UTCEPSS rescore
  8. 2026-08-28 10:51 UTCGHSA enrichment
  9. 2026-08-27 22:13 UTCEG score recompute
  10. 2026-08-27 22:13 UTCGHSA enrichment
  11. 2026-08-27 14:24 UTCEPSS rescore
  12. 2026-08-27 09:34 UTCGHSA enrichment
  13. 2026-08-26 20:56 UTCEG score recompute
  14. 2026-08-26 20:56 UTCGHSA enrichment
  15. 2026-08-26 14:45 UTCEPSS rescore
  16. 2026-08-26 08:18 UTCGHSA enrichment
  17. 2026-08-25 19:39 UTCEG score recompute
  18. 2026-08-25 19:39 UTCGHSA enrichment
  19. 2026-08-25 13:48 UTCEPSS rescore
  20. 2026-08-25 07:01 UTCEG score recompute
  21. 2026-08-25 07:01 UTCGHSA enrichment
  22. 2026-08-24 17:36 UTCEG score recompute▲ 8.80
  23. 2026-08-24 17:36 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  24. 2026-08-24 17:18 UTCNVD update
  25. 2026-08-24 16:52 UTCEG score recompute
Show 1 more
  1. 2026-08-24 16:51 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-36940?
CVE-2025-36940 is a high vulnerability published on August 24, 2026. Use-After-Free vulnerability in a zircon kernel pager proxy (Fuchsia), which could lead to a Privilege Escalation from Userspace to Kernel (AP)
When was CVE-2025-36940 disclosed?
CVE-2025-36940 was first published in the National Vulnerability Database on August 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-36940 actively exploited?
CVE-2025-36940 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 88.1% of all scored CVEs.
What is the CVSS score of CVE-2025-36940?
CVE-2025-36940 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-36940?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-36940, 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-2025-36940

Explore →

Is Your Infrastructure Affected by CVE-2025-36940?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs