CVE-2026-8564

MEDIUMNVD 4.24.2—
EchelonGraph scoreMEDIUM confidence

Score 4.2 from GitHub Security Advisory published 2026-05-14. NVD baseline CVSS 4.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.2
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.2Exploit: NoneExposed: 0

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

Incorrect security UI in Downloads in Google Chrome on Android and Mac prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
4.2
EG Score
4.2(medium)
EPSS
5.8%
KEV
Not listed

Published

May 14, 2026

Last Modified

May 21, 2026

Advisory Details (2)

Auto-updated Jun 27, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/418273622
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html

Vendor Advisories for CVE-2026-8564(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 7× in last 7d / 61× 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 124 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-8564?
CVE-2026-8564 is a medium vulnerability published on May 14, 2026. Incorrect security UI in Downloads in Google Chrome on Android and Mac prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-8564 disclosed?
CVE-2026-8564 was first published in the National Vulnerability Database on May 14, 2026, with the most recent update on May 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8564 actively exploited?
CVE-2026-8564 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8564?
CVE-2026-8564 has a CVSS v3 base score of 4.2 (NVD).
How do I remediate CVE-2026-8564?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8564, 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-2026-8564

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