CVE-2026-13027

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. 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 — 4 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

Use after free in FileSystem in Google Chrome prior to 149.0.7827.197 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.8
EG Score
8.8(high)
EPSS
9.4%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 26, 2026

Advisory Details (2)

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

Chromium

https://issues.chromium.org/issues/520543781
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-2026-13027(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 53× in last 7d / 77× 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 04:30 UTCEG score recompute
  2. 2026-07-07 04:30 UTCVendor advisory
  3. 2026-07-07 04:30 UTCGHSA enrichment
  4. 2026-07-06 16:58 UTCEG score recompute
  5. 2026-07-06 16:58 UTCVendor advisory
  6. 2026-07-06 16:57 UTCGHSA enrichment
  7. 2026-07-06 16:27 UTCEPSS rescore
  8. 2026-07-06 05:27 UTCEG score recompute
  9. 2026-07-06 05:27 UTCVendor advisory
  10. 2026-07-06 05:27 UTCGHSA enrichment
  11. 2026-07-06 02:23 UTCEPSS rescore
  12. 2026-07-05 17:54 UTCEG score recompute
  13. 2026-07-05 17:54 UTCVendor advisory
  14. 2026-07-05 17:54 UTCGHSA enrichment
  15. 2026-07-05 06:25 UTCEG score recompute
  16. 2026-07-05 06:25 UTCVendor advisory
  17. 2026-07-05 06:24 UTCGHSA enrichment
  18. 2026-07-05 02:30 UTCEPSS rescore
  19. 2026-07-05 02:30 UTCEPSS rescore
  20. 2026-07-04 18:48 UTCEG score recompute
  21. 2026-07-04 18:48 UTCVendor advisory
  22. 2026-07-04 18:48 UTCGHSA enrichment
  23. 2026-07-04 07:18 UTCEG score recompute
  24. 2026-07-04 07:18 UTCVendor advisory
  25. 2026-07-04 07:18 UTCGHSA enrichment
Show 52 more
  1. 2026-07-04 06:31 UTCEPSS rescore
  2. 2026-07-03 19:12 UTCEG score recompute
  3. 2026-07-03 19:12 UTCVendor advisory
  4. 2026-07-03 19:12 UTCGHSA enrichment
  5. 2026-07-03 07:42 UTCEG score recompute
  6. 2026-07-03 07:42 UTCVendor advisory
  7. 2026-07-03 07:42 UTCGHSA enrichment
  8. 2026-07-02 20:13 UTCEG score recompute
  9. 2026-07-02 20:13 UTCVendor advisory
  10. 2026-07-02 20:13 UTCGHSA enrichment
  11. 2026-07-02 08:41 UTCEG score recompute
  12. 2026-07-02 08:41 UTCVendor advisory
  13. 2026-07-02 08:41 UTCGHSA enrichment
  14. 2026-07-01 21:11 UTCEG score recompute
  15. 2026-07-01 21:11 UTCVendor advisory
  16. 2026-07-01 21:10 UTCGHSA enrichment
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-07-01 09:41 UTCEG score recompute
  20. 2026-07-01 09:41 UTCVendor advisory
  21. 2026-07-01 09:40 UTCGHSA enrichment
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-30 22:10 UTCEG score recompute
  24. 2026-06-30 22:10 UTCVendor advisory
  25. 2026-06-30 22:10 UTCGHSA enrichment
  26. 2026-06-30 10:40 UTCEG score recompute
  27. 2026-06-30 10:40 UTCVendor advisory
  28. 2026-06-30 10:39 UTCGHSA enrichment
  29. 2026-06-29 23:09 UTCEG score recompute
  30. 2026-06-29 23:09 UTCVendor advisory
  31. 2026-06-29 23:09 UTCGHSA enrichment
  32. 2026-06-29 14:06 UTCEPSS rescore
  33. 2026-06-29 11:40 UTCEG score recompute
  34. 2026-06-29 11:40 UTCVendor advisory
  35. 2026-06-29 11:40 UTCGHSA enrichment
  36. 2026-06-29 00:10 UTCEG score recompute
  37. 2026-06-29 00:10 UTCVendor advisory
  38. 2026-06-29 00:10 UTCGHSA enrichment
  39. 2026-06-28 14:07 UTCEPSS rescore
  40. 2026-06-28 12:40 UTCEG score recompute
  41. 2026-06-28 12:40 UTCVendor advisory
  42. 2026-06-28 12:40 UTCGHSA enrichment
  43. 2026-06-28 04:56 UTCEPSS rescore
  44. 2026-06-28 04:56 UTCEPSS rescore
  45. 2026-06-28 01:11 UTCEG score recompute▲ 8.80
  46. 2026-06-28 01:11 UTCVendor advisory
  47. 2026-06-28 01:11 UTCGHSA enrichment
  48. 2026-06-27 03:08 UTCEPSS rescore
  49. 2026-06-25 13:49 UTCEPSS rescore
  50. 2026-06-24 22:03 UTCNVD updateCVSS v3 → 8.8 · severity → HIGH
  51. 2026-06-24 20:08 UTCEG score recompute
  52. 2026-06-24 20:03 UTCNVD updatefirst tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-13027?
CVE-2026-13027 is a high vulnerability published on June 24, 2026. Use after free in FileSystem in Google Chrome prior to 149.0.7827.197 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-13027 disclosed?
CVE-2026-13027 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13027 actively exploited?
CVE-2026-13027 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13027?
CVE-2026-13027 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13027?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13027, 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-2026-13027

Explore →

Is Your Infrastructure Affected by CVE-2026-13027?

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

Start Free Scan →Browse All CVEs