CVE-2026-13878

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
9.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.6Exploit: NoneExposed: 0

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

Use after free in Bluetooth in Google Chrome on Mac prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
9.6
EG Score
9.6(high)
EPSS
19.9%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 1, 2026

Advisory Details (2)

Auto-updated Jul 1, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/499007266
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html

Vendor Advisories for CVE-2026-13878(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 52× in last 7d / 52× 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. 2026-07-07 06:20 UTCEG score recompute
  2. 2026-07-07 06:20 UTCGHSA enrichment
  3. 2026-07-07 02:29 UTCEG score recompute
  4. 2026-07-07 02:29 UTCGHSA enrichment
  5. 2026-07-06 22:38 UTCEG score recompute
  6. 2026-07-06 22:37 UTCGHSA enrichment
  7. 2026-07-06 18:47 UTCEG score recompute
  8. 2026-07-06 18:46 UTCGHSA enrichment
  9. 2026-07-06 16:27 UTCEPSS rescore
  10. 2026-07-06 14:56 UTCEG score recompute
  11. 2026-07-06 14:56 UTCGHSA enrichment
  12. 2026-07-06 10:59 UTCEG score recompute
  13. 2026-07-06 10:59 UTCGHSA enrichment
  14. 2026-07-06 06:55 UTCEG score recompute
  15. 2026-07-06 06:54 UTCGHSA enrichment
  16. 2026-07-06 03:04 UTCEG score recompute
  17. 2026-07-06 03:04 UTCGHSA enrichment
  18. 2026-07-06 02:23 UTCEPSS rescore
  19. 2026-07-05 23:11 UTCEG score recompute
  20. 2026-07-05 23:11 UTCGHSA enrichment
  21. 2026-07-05 19:20 UTCEG score recompute
  22. 2026-07-05 19:20 UTCGHSA enrichment
  23. 2026-07-05 15:30 UTCEG score recompute
  24. 2026-07-05 15:29 UTCGHSA enrichment
  25. 2026-07-05 11:39 UTCEG score recompute
Show 27 more
  1. 2026-07-05 11:39 UTCGHSA enrichment
  2. 2026-07-05 07:49 UTCEG score recompute
  3. 2026-07-05 07:49 UTCGHSA enrichment
  4. 2026-07-05 03:57 UTCEG score recompute
  5. 2026-07-05 03:56 UTCGHSA enrichment
  6. 2026-07-05 02:30 UTCEPSS rescore
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 00:05 UTCEG score recompute
  9. 2026-07-05 00:04 UTCGHSA enrichment
  10. 2026-07-04 20:12 UTCEG score recompute
  11. 2026-07-04 20:12 UTCGHSA enrichment
  12. 2026-07-04 16:21 UTCEG score recompute
  13. 2026-07-04 16:21 UTCGHSA enrichment
  14. 2026-07-04 12:30 UTCEG score recompute
  15. 2026-07-04 12:30 UTCGHSA enrichment
  16. 2026-07-04 08:39 UTCEG score recompute
  17. 2026-07-04 08:39 UTCGHSA enrichment
  18. 2026-07-04 06:31 UTCEPSS rescore
  19. 2026-07-04 04:49 UTCEG score recompute
  20. 2026-07-04 04:49 UTCGHSA enrichment
  21. 2026-07-04 00:57 UTCEG score recompute▲ 9.60
  22. 2026-07-04 00:57 UTCGHSA enrichment
  23. 2026-07-01 17:06 UTCNVD updateCVSS v3 → 9.6 · severity → CRITICAL
  24. 2026-07-01 15:06 UTCEPSS rescore
  25. 2026-07-01 15:06 UTCEPSS rescore
  26. 2026-06-30 23:33 UTCEG score recompute
  27. 2026-06-30 23:23 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13878?
CVE-2026-13878 is a critical vulnerability published on June 30, 2026. Use after free in Bluetooth in Google Chrome on Mac prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-13878 disclosed?
CVE-2026-13878 was first published in the National Vulnerability Database on June 30, 2026, with the most recent update on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13878 actively exploited?
CVE-2026-13878 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13878?
CVE-2026-13878 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13878?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13878, 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

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