CVE-2026-5915

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-04-09. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 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 WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Low)

CVSS v3
8.1
Vendor severity
LOWper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Low)
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

April 8, 2026

Last Modified

July 24, 2026

Advisory Details (2)

Auto-updated Apr 29, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/494341335
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html

Vendor Advisories for CVE-2026-5915(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (500 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 146.0.7680.80-1~deb13u1 (336 versions)147.0.7727.55-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 147.0.7727.55-1~deb12u1 (102 versions)147.0.7727.55-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 147.0.7727.55-1~deb13u1 (103 versions)147.0.7727.55-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 23× 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 201 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-5915?
CVE-2026-5915 is a high vulnerability published on April 8, 2026. Insufficient validation of untrusted input in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Low)
When was CVE-2026-5915 disclosed?
CVE-2026-5915 was first published in the National Vulnerability Database on April 8, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5915 actively exploited?
CVE-2026-5915 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 90.7% of all scored CVEs.
What is the CVSS score of CVE-2026-5915?
CVE-2026-5915 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-5915?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5915, 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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