CVE-2026-9979

MEDIUMNVD 5.05.0—
EchelonGraph scoreMEDIUM confidence

Score 5.0 from GitHub Security Advisory published 2026-05-29. NVD baseline CVSS 5.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
5.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.0Exploit: NoneExposed: 0

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

Insufficient validation of untrusted input in Input in Google Chrome prior to 148.0.7778.216 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
5.0
EG Score
5.0(medium)
EPSS
2.8%
KEV
Not listed

Published

May 28, 2026

Last Modified

June 1, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/511742228
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html

Vendor Advisories for CVE-2026-9979(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 15× in last 7d / 69× 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 135 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-9979?
CVE-2026-9979 is a medium vulnerability published on May 28, 2026. Insufficient validation of untrusted input in Input in Google Chrome prior to 148.0.7778.216 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-2026-9979 disclosed?
CVE-2026-9979 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on June 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9979 actively exploited?
CVE-2026-9979 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9979?
CVE-2026-9979 has a CVSS v3 base score of 5.0 (NVD).
How do I remediate CVE-2026-9979?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9979, 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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