CVE-2026-3909

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-03-13), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 6 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: 2%CVSS: 8.8Exploit: cisa kev · ssvc activeExposed: 0

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

Out of bounds write in Skia in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.8
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
2%
EPSS %ILE
74%
KEV
⚠ Exploited

Published

March 12, 2026

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Jul 27, 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-2026-3909
generic

Chromium

https://issues.chromium.org/issues/491421267
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_13.html

Vendor Advisories for CVE-2026-3909(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 65× in last 7d / 65× 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. 2026-08-01 04:16 UTCEPSS rescore
  2. 2026-08-01 02:15 UTCVendor advisory
  3. 2026-08-01 02:15 UTCGHSA enrichment
  4. 2026-07-31 21:53 UTCVendor advisory
  5. 2026-07-31 21:53 UTCGHSA enrichment
  6. 2026-07-31 17:31 UTCVendor advisory
  7. 2026-07-31 17:30 UTCGHSA enrichment
  8. 2026-07-31 13:08 UTCVendor advisory
  9. 2026-07-31 13:08 UTCGHSA enrichment
  10. 2026-07-31 08:46 UTCVendor advisory
  11. 2026-07-31 08:46 UTCGHSA enrichment
  12. 2026-07-31 04:22 UTCVendor advisory
  13. 2026-07-31 04:22 UTCGHSA enrichment
  14. 2026-07-30 23:59 UTCGHSA enrichment
  15. 2026-07-30 19:38 UTCEG score recompute
  16. 2026-07-30 19:38 UTCGHSA enrichment
  17. 2026-07-30 16:28 UTCEPSS rescore
  18. 2026-07-30 15:16 UTCVendor advisory
  19. 2026-07-30 15:16 UTCGHSA enrichment
  20. 2026-07-30 10:53 UTCEG score recompute
  21. 2026-07-30 10:53 UTCVendor advisory
  22. 2026-07-30 10:53 UTCGHSA enrichment
  23. 2026-07-30 06:31 UTCVendor advisory
  24. 2026-07-30 06:31 UTCGHSA enrichment
  25. 2026-07-30 02:09 UTCEG score recompute
Show 40 more
  1. 2026-07-30 02:09 UTCVendor advisory
  2. 2026-07-30 02:09 UTCGHSA enrichment
  3. 2026-07-30 01:30 UTCEPSS rescore
  4. 2026-07-29 21:47 UTCVendor advisory
  5. 2026-07-29 21:47 UTCGHSA enrichment
  6. 2026-07-29 19:27 UTCCISA KEV update
  7. 2026-07-29 17:25 UTCVendor advisory
  8. 2026-07-29 17:25 UTCGHSA enrichment
  9. 2026-07-29 13:03 UTCVendor advisory
  10. 2026-07-29 13:03 UTCGHSA enrichment
  11. 2026-07-29 08:40 UTCVendor advisory
  12. 2026-07-29 08:40 UTCGHSA enrichment
  13. 2026-07-29 04:19 UTCVendor advisory
  14. 2026-07-29 04:18 UTCGHSA enrichment
  15. 2026-07-28 23:56 UTCVendor advisory
  16. 2026-07-28 23:56 UTCGHSA enrichment
  17. 2026-07-28 19:34 UTCEG score recompute
  18. 2026-07-28 19:34 UTCVendor advisory
  19. 2026-07-28 19:33 UTCGHSA enrichment
  20. 2026-07-28 15:11 UTCVendor advisory
  21. 2026-07-28 15:11 UTCGHSA enrichment
  22. 2026-07-28 10:49 UTCVendor advisory
  23. 2026-07-28 10:48 UTCGHSA enrichment
  24. 2026-07-28 06:24 UTCVendor advisory
  25. 2026-07-28 06:24 UTCGHSA enrichment
  26. 2026-07-28 02:01 UTCVendor advisory
  27. 2026-07-28 02:01 UTCGHSA enrichment
  28. 2026-07-27 21:39 UTCEG score recompute
  29. 2026-07-27 21:39 UTCVendor advisory
  30. 2026-07-27 21:39 UTCGHSA enrichment
  31. 2026-07-27 19:24 UTCCISA KEV update
  32. 2026-07-27 17:17 UTCEG score recompute▲ 0.20
  33. 2026-07-27 17:17 UTCVendor advisory
  34. 2026-07-27 17:17 UTCGHSA enrichment
  35. 2026-07-27 17:17 UTCCISA KEV update
  36. 2026-07-27 14:13 UTCEPSS rescore
  37. 2026-07-27 12:52 UTCEG score recompute
  38. 2026-07-27 12:52 UTCVendor advisory
  39. 2026-07-27 12:52 UTCGHSA enrichment
  40. 2026-07-27 12:50 UTCOSV refresh

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2026-3909?
CVE-2026-3909 is a critical vulnerability published on March 12, 2026. Out of bounds write in Skia in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-3909 disclosed?
CVE-2026-3909 was first published in the National Vulnerability Database on March 12, 2026, 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-2026-3909 actively exploited?
Yes. CISA added CVE-2026-3909 to the Known Exploited Vulnerabilities catalog on March 13, 2026, affecting Google Skia. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-3909?
CVE-2026-3909 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2026-3909?
CVE-2026-3909 affects Google Skia. 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-2026-3909?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3909, 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-2026-3909

Explore →

Is Your Infrastructure Affected by CVE-2026-3909?

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

Start Free Scan →Browse All CVEs