CVE-2026-13034

MEDIUMPre-NVD 4.74.7—
EchelonGraph scoreHIGH confidence

Score 4.7 from GitHub Security Advisory published 2026-06-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
4.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.7Exploit: NoneExposed: 0

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

Inappropriate implementation in Passwords in Google Chrome prior to 149.0.7827.197 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS v3
4.7
EG Score
4.7(high)
EPSS
3.9%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 25, 2026

Advisory Details (2)

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

Chromium

https://issues.chromium.org/issues/523699355
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630350.html

Vendor Advisories for CVE-2026-13034(2)

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 28× in last 7d / 46× 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. 2026-07-06 11:20 UTCEG score recompute
  2. 2026-07-06 11:20 UTCVendor advisory
  3. 2026-07-06 11:20 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 12:00 UTCEG score recompute
  6. 2026-07-05 12:00 UTCVendor advisory
  7. 2026-07-05 12:00 UTCGHSA enrichment
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-04 13:13 UTCEG score recompute
  11. 2026-07-04 13:13 UTCVendor advisory
  12. 2026-07-04 13:13 UTCGHSA enrichment
  13. 2026-07-04 06:31 UTCEPSS rescore
  14. 2026-07-03 14:26 UTCEG score recompute
  15. 2026-07-03 14:26 UTCVendor advisory
  16. 2026-07-03 14:26 UTCGHSA enrichment
  17. 2026-07-02 15:40 UTCEG score recompute
  18. 2026-07-02 15:40 UTCVendor advisory
  19. 2026-07-02 15:40 UTCGHSA enrichment
  20. 2026-07-01 16:52 UTCEG score recompute
  21. 2026-07-01 16:52 UTCVendor advisory
  22. 2026-07-01 16:52 UTCGHSA enrichment
  23. 2026-07-01 15:06 UTCEPSS rescore
  24. 2026-07-01 15:06 UTCEPSS rescore
  25. 2026-06-30 23:22 UTCEPSS rescore
Show 21 more
  1. 2026-06-30 18:05 UTCEG score recompute
  2. 2026-06-30 18:05 UTCVendor advisory
  3. 2026-06-30 18:05 UTCGHSA enrichment
  4. 2026-06-29 19:18 UTCEG score recompute
  5. 2026-06-29 19:18 UTCVendor advisory
  6. 2026-06-29 19:18 UTCGHSA enrichment
  7. 2026-06-29 14:06 UTCEPSS rescore
  8. 2026-06-28 20:31 UTCEG score recompute
  9. 2026-06-28 20:31 UTCVendor advisory
  10. 2026-06-28 20:31 UTCGHSA enrichment
  11. 2026-06-28 14:07 UTCEPSS rescore
  12. 2026-06-28 04:56 UTCEPSS rescore
  13. 2026-06-28 04:56 UTCEPSS rescore
  14. 2026-06-27 21:44 UTCEG score recompute▲ 4.70
  15. 2026-06-27 21:44 UTCVendor advisory
  16. 2026-06-27 21:44 UTCGHSA enrichment
  17. 2026-06-27 03:08 UTCEPSS rescore
  18. 2026-06-25 13:49 UTCEPSS rescore
  19. 2026-06-24 22:03 UTCNVD updateCVSS v3 → 4.7 · severity → MEDIUM
  20. 2026-06-24 20:06 UTCEG score recompute
  21. 2026-06-24 20:03 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-13034?
CVE-2026-13034 is a medium vulnerability published on June 24, 2026. Inappropriate implementation in Passwords in Google Chrome prior to 149.0.7827.197 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-13034 disclosed?
CVE-2026-13034 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13034 actively exploited?
CVE-2026-13034 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13034?
CVE-2026-13034 has a CVSS v3.1 base score of 4.7 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13034?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13034, 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-2026-13034

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