CVE-2026-7997

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-06. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: 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 Updater in Google Chrome on Mac prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Low)

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
0.2%
KEV
Not listed

Published

May 6, 2026

Last Modified

May 6, 2026

Advisory Details (2)

Auto-updated May 20, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/487960705
generic

Chrome Releases: Stable Channel Update for Desktop

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

Vendor Advisories for CVE-2026-7997(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 2× in last 7d / 26× 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. 2026-07-13 22:31 UTCEPSS rescore
  2. 2026-07-13 06:13 UTCEPSS rescore
  3. 2026-07-08 15:16 UTCEPSS rescore
  4. 2026-07-08 15:16 UTCEPSS rescore
  5. 2026-07-07 13:46 UTCEPSS rescore
  6. 2026-07-07 13:46 UTCEPSS rescore
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-04 06:31 UTCEPSS rescore
  13. 2026-06-28 14:07 UTCEPSS rescore
  14. 2026-06-28 04:56 UTCEPSS rescore
  15. 2026-06-27 14:47 UTCEG score recompute
  16. 2026-06-27 14:47 UTCVendor advisory
  17. 2026-06-27 14:47 UTCGHSA enrichment
  18. 2026-06-26 23:21 UTCEG score recompute
  19. 2026-06-26 23:21 UTCVendor advisory
  20. 2026-06-26 23:21 UTCGHSA enrichment
  21. 2026-06-24 14:05 UTCEPSS rescore
  22. 2026-06-23 21:33 UTCEPSS rescore
  23. 2026-06-21 01:59 UTCEPSS rescore
  24. 2026-06-18 17:52 UTCEPSS rescore
  25. 2026-06-17 17:53 UTCEPSS rescore
Show 75 more
  1. 2026-06-16 17:53 UTCEPSS rescore
  2. 2026-06-15 17:49 UTCEPSS rescore
  3. 2026-06-15 17:49 UTCEPSS rescore
  4. 2026-06-15 06:52 UTCEG score recompute
  5. 2026-06-15 06:52 UTCVendor advisory
  6. 2026-06-15 06:52 UTCGHSA enrichment
  7. 2026-06-14 23:18 UTCEPSS rescore
  8. 2026-06-14 19:05 UTCEG score recompute
  9. 2026-06-14 19:05 UTCVendor advisory
  10. 2026-06-14 19:05 UTCGHSA enrichment
  11. 2026-06-14 07:19 UTCEG score recompute
  12. 2026-06-14 07:19 UTCVendor advisory
  13. 2026-06-14 07:19 UTCGHSA enrichment
  14. 2026-06-13 23:00 UTCEPSS rescore
  15. 2026-06-12 23:13 UTCEG score recompute
  16. 2026-06-12 23:13 UTCVendor advisory
  17. 2026-06-12 23:13 UTCGHSA enrichment
  18. 2026-06-12 23:12 UTCEPSS rescore
  19. 2026-06-12 23:12 UTCEPSS rescore
  20. 2026-06-12 10:03 UTCEG score recompute
  21. 2026-06-12 10:03 UTCVendor advisory
  22. 2026-06-12 10:03 UTCGHSA enrichment
  23. 2026-06-11 22:10 UTCEG score recompute
  24. 2026-06-11 22:10 UTCGHSA enrichment
  25. 2026-06-11 14:00 UTCEPSS rescore
  26. 2026-06-11 10:25 UTCEG score recompute
  27. 2026-06-11 10:25 UTCVendor advisory
  28. 2026-06-11 10:25 UTCGHSA enrichment
  29. 2026-06-10 22:31 UTCEG score recompute
  30. 2026-06-10 22:31 UTCVendor advisory
  31. 2026-06-10 22:30 UTCGHSA enrichment
  32. 2026-06-10 22:19 UTCEPSS rescore
  33. 2026-06-10 13:22 UTCEPSS rescore
  34. 2026-06-10 10:45 UTCEG score recompute
  35. 2026-06-10 10:45 UTCVendor advisory
  36. 2026-06-10 10:45 UTCGHSA enrichment
  37. 2026-06-09 22:57 UTCEG score recompute
  38. 2026-06-09 22:57 UTCVendor advisory
  39. 2026-06-09 22:57 UTCGHSA enrichment
  40. 2026-06-09 09:49 UTCEG score recompute
  41. 2026-06-09 09:49 UTCVendor advisory
  42. 2026-06-09 09:49 UTCGHSA enrichment
  43. 2026-06-08 22:04 UTCEG score recompute
  44. 2026-06-08 22:04 UTCVendor advisory
  45. 2026-06-08 22:04 UTCGHSA enrichment
  46. 2026-06-08 14:17 UTCEPSS rescore
  47. 2026-06-08 06:10 UTCEG score recompute
  48. 2026-06-08 06:10 UTCVendor advisory
  49. 2026-06-08 06:10 UTCGHSA enrichment
  50. 2026-06-07 18:24 UTCEG score recompute
  51. 2026-06-07 18:24 UTCVendor advisory
  52. 2026-06-07 18:24 UTCGHSA enrichment
  53. 2026-06-07 15:25 UTCEPSS rescore
  54. 2026-06-07 06:38 UTCEG score recompute
  55. 2026-06-07 06:38 UTCVendor advisory
  56. 2026-06-07 06:38 UTCGHSA enrichment
  57. 2026-06-06 18:52 UTCEG score recompute
  58. 2026-06-06 18:52 UTCVendor advisory
  59. 2026-06-06 18:52 UTCGHSA enrichment
  60. 2026-06-06 07:04 UTCEG score recompute
  61. 2026-06-06 07:04 UTCVendor advisory
  62. 2026-06-06 07:04 UTCGHSA enrichment
  63. 2026-06-05 22:47 UTCEPSS rescore
  64. 2026-06-05 19:19 UTCEG score recompute
  65. 2026-06-05 19:19 UTCVendor advisory
  66. 2026-06-05 19:19 UTCGHSA enrichment
  67. 2026-06-05 07:33 UTCEG score recompute
  68. 2026-06-05 07:33 UTCVendor advisory
  69. 2026-06-05 07:33 UTCGHSA enrichment
  70. 2026-06-04 19:47 UTCEG score recompute
  71. 2026-06-04 19:47 UTCVendor advisory
  72. 2026-06-04 19:47 UTCGHSA enrichment
  73. 2026-06-04 13:12 UTCEPSS rescore
  74. 2026-06-04 08:00 UTCEG score recompute
  75. 2026-06-04 08:00 UTCVendor advisory

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-7997?
CVE-2026-7997 is a high vulnerability published on May 6, 2026. Insufficient validation of untrusted input in Updater in Google Chrome on Mac prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Low)
When was CVE-2026-7997 disclosed?
CVE-2026-7997 was first published in the National Vulnerability Database on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7997 actively exploited?
CVE-2026-7997 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-7997?
CVE-2026-7997 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-7997?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7997, 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-2026-7997

Explore →

Is Your Infrastructure Affected by CVE-2026-7997?

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

Start Free Scan →Browse All CVEs