CVE-2025-6554

CRITICALPre-NVD 8.19.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-07-02), indicating real-world exploitation has been confirmed by US federal agencies. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1 retained for reference (NVD's own analysis pending). Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa-adp, cisa_kev, epss, ghsa
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 13%CVSS: 8.1Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

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

Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.1
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
13%
EPSS %ILE
96%
KEV
⚠ Exploited

Published

June 30, 2025

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Jun 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6554
generic🔴 Active Exploitation

Chromium

https://issues.chromium.org/issues/427663123
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.html

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (500 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 138.0.7204.49-1~deb12u1 (228 versions)138.0.7204.92-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium—138.0.7204.92-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium—138.0.7204.92-1—

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 90× in last 7d / 381× 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.

Showing the most recent 100 of 1,372 total refreshes for this CVE.

  1. 2026-09-19 20:44 UTCVendor advisory
  2. 2026-09-19 20:44 UTCGHSA enrichment
  3. 2026-09-19 16:21 UTCEG score recompute
  4. 2026-09-19 16:21 UTCVendor advisory
  5. 2026-09-19 16:21 UTCGHSA enrichment
  6. 2026-09-19 11:58 UTCVendor advisory
  7. 2026-09-19 11:58 UTCGHSA enrichment
  8. 2026-09-19 07:35 UTCVendor advisory
  9. 2026-09-19 07:35 UTCGHSA enrichment
  10. 2026-09-19 03:11 UTCVendor advisory
  11. 2026-09-19 03:11 UTCGHSA enrichment
  12. 2026-09-18 22:48 UTCEG score recompute
  13. 2026-09-18 22:48 UTCVendor advisory
  14. 2026-09-18 22:48 UTCGHSA enrichment
  15. 2026-09-18 19:27 UTCEPSS rescore
  16. 2026-09-18 19:20 UTCCISA KEV update
  17. 2026-09-18 18:25 UTCVendor advisory
  18. 2026-09-18 18:25 UTCGHSA enrichment
  19. 2026-09-18 14:15 UTCCISA KEV update
  20. 2026-09-18 14:02 UTCVendor advisory
  21. 2026-09-18 14:02 UTCGHSA enrichment
  22. 2026-09-18 09:39 UTCVendor advisory
  23. 2026-09-18 09:39 UTCGHSA enrichment
  24. 2026-09-18 05:16 UTCVendor advisory
  25. 2026-09-18 05:16 UTCGHSA enrichment
Show 75 more
  1. 2026-09-18 00:53 UTCVendor advisory
  2. 2026-09-18 00:53 UTCGHSA enrichment
  3. 2026-09-17 20:30 UTCEG score recompute
  4. 2026-09-17 20:30 UTCVendor advisory
  5. 2026-09-17 20:30 UTCGHSA enrichment
  6. 2026-09-17 19:30 UTCEPSS rescore
  7. 2026-09-17 16:07 UTCVendor advisory
  8. 2026-09-17 16:07 UTCGHSA enrichment
  9. 2026-09-17 11:44 UTCVendor advisory
  10. 2026-09-17 11:44 UTCGHSA enrichment
  11. 2026-09-17 07:20 UTCVendor advisory
  12. 2026-09-17 07:20 UTCGHSA enrichment
  13. 2026-09-17 02:57 UTCVendor advisory
  14. 2026-09-17 02:57 UTCGHSA enrichment
  15. 2026-09-16 22:34 UTCVendor advisory
  16. 2026-09-16 22:34 UTCGHSA enrichment
  17. 2026-09-16 18:10 UTCEG score recompute
  18. 2026-09-16 18:10 UTCVendor advisory
  19. 2026-09-16 18:10 UTCGHSA enrichment
  20. 2026-09-16 14:10 UTCCISA KEV update
  21. 2026-09-16 14:07 UTCEPSS rescore
  22. 2026-09-16 13:47 UTCVendor advisory
  23. 2026-09-16 13:47 UTCGHSA enrichment
  24. 2026-09-16 09:24 UTCEG score recompute
  25. 2026-09-16 09:24 UTCVendor advisory
  26. 2026-09-16 09:24 UTCGHSA enrichment
  27. 2026-09-16 05:14 UTCEPSS rescore
  28. 2026-09-16 05:01 UTCVendor advisory
  29. 2026-09-16 05:01 UTCGHSA enrichment
  30. 2026-09-16 00:37 UTCVendor advisory
  31. 2026-09-16 00:36 UTCGHSA enrichment
  32. 2026-09-15 20:13 UTCVendor advisory
  33. 2026-09-15 20:13 UTCGHSA enrichment
  34. 2026-09-15 15:50 UTCVendor advisory
  35. 2026-09-15 15:49 UTCGHSA enrichment
  36. 2026-09-15 11:26 UTCVendor advisory
  37. 2026-09-15 11:26 UTCGHSA enrichment
  38. 2026-09-15 07:03 UTCEG score recompute
  39. 2026-09-15 07:03 UTCVendor advisory
  40. 2026-09-15 07:03 UTCGHSA enrichment
  41. 2026-09-15 03:10 UTCEPSS rescore
  42. 2026-09-15 02:40 UTCGHSA enrichment
  43. 2026-09-14 22:17 UTCVendor advisory
  44. 2026-09-14 22:17 UTCGHSA enrichment
  45. 2026-09-14 19:24 UTCCISA KEV update
  46. 2026-09-14 17:54 UTCVendor advisory
  47. 2026-09-14 17:54 UTCGHSA enrichment
  48. 2026-09-14 13:31 UTCVendor advisory
  49. 2026-09-14 13:31 UTCGHSA enrichment
  50. 2026-09-14 09:08 UTCVendor advisory
  51. 2026-09-14 09:08 UTCGHSA enrichment
  52. 2026-09-14 04:45 UTCVendor advisory
  53. 2026-09-14 04:45 UTCGHSA enrichment
  54. 2026-09-14 00:22 UTCVendor advisory
  55. 2026-09-14 00:22 UTCGHSA enrichment
  56. 2026-09-13 19:59 UTCVendor advisory
  57. 2026-09-13 19:59 UTCGHSA enrichment
  58. 2026-09-13 15:36 UTCVendor advisory
  59. 2026-09-13 15:35 UTCGHSA enrichment
  60. 2026-09-13 11:11 UTCVendor advisory
  61. 2026-09-13 11:11 UTCGHSA enrichment
  62. 2026-09-13 06:48 UTCVendor advisory
  63. 2026-09-13 06:48 UTCGHSA enrichment
  64. 2026-09-13 02:19 UTCVendor advisory
  65. 2026-09-13 02:19 UTCGHSA enrichment
  66. 2026-09-12 21:57 UTCVendor advisory
  67. 2026-09-12 21:57 UTCGHSA enrichment
  68. 2026-09-12 17:34 UTCEG score recompute
  69. 2026-09-12 17:34 UTCVendor advisory
  70. 2026-09-12 17:34 UTCGHSA enrichment
  71. 2026-09-12 15:00 UTCEPSS rescore
  72. 2026-09-12 13:10 UTCVendor advisory
  73. 2026-09-12 13:10 UTCGHSA enrichment
  74. 2026-09-12 08:47 UTCVendor advisory
  75. 2026-09-12 08:47 UTCGHSA enrichment

Publicly available exploits

(6 references)

Working exploit code is in the public domain (6 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCaklnjakln/CVE-2025-6554
    First seen Nov 25, 2025
    Open source ↗
  • GitHub PoCMuhammednihalmp/Google-chrome-zero-day
    First seen Nov 9, 2025

    CVE-2025-6554

    Open source ↗
  • GitHub PoCjopraveen/CVE-2025-6554
    First seen Oct 14, 2025

    poc for CVE-2025-6554

    Open source ↗
  • GitHub PoCmistymntncop/CVE-2025-6554
    First seen Oct 5, 2025
    Open source ↗
  • GitHub PoCPwnToday/CVE-2025-6554
    First seen Jul 7, 2025
    Open source ↗
  • GitHub PoCgmh5225/CVE-2025-6554-2
    First seen Jul 5, 2025
    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2025-6554?
CVE-2025-6554 is a critical vulnerability published on June 30, 2025. Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)
When was CVE-2025-6554 disclosed?
CVE-2025-6554 was first published in the National Vulnerability Database on June 30, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-6554 actively exploited?
Yes. CISA added CVE-2025-6554 to the Known Exploited Vulnerabilities catalog on July 2, 2025, affecting Google Chromium V8. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-6554?
CVE-2025-6554 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2025-6554?
CVE-2025-6554 affects Google Chromium V8. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2025-6554?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-6554, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-6554

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