CVE-2026-19156

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-07. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
7.5EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 7.5Exploit: None knownExposed services: Not assessed

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

Heap buffer overflow in Base in Google Chrome prior to 151.0.7922.109 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)

CVSS v3
7.5
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
7.5HIGHmedium confidence
EG Risk
34
EG Risk 34/100CISA SSVC

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
Severity75% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.3%
EPSS %ILE
14th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 6, 2026

Last Modified

August 8, 2026

Advisory Details (2)

Auto-updated Aug 7, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/533331920
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html

Vendor Advisories for CVE-2026-19156(2)

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 rangeFix by version rangeDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (503 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
chromium113.0.5672.126-1 ... 151.0.7922.71-1~deb13u1 (397 versions)
  • every version up to 151.0.7922.108-1~deb12u1: fixed in 151.0.7922.108-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (163 versions)
  • every version up to 151.0.7922.108-1~deb13u1: fixed in 151.0.7922.108-1~deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (164 versions)
  • every version up to 151.0.7922.108-1: fixed in 151.0.7922.108-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 123× 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 277 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19156?
CVE-2026-19156 is a high vulnerability published on August 6, 2026. Heap buffer overflow in Base in Google Chrome prior to 151.0.7922.109 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)
When was CVE-2026-19156 disclosed?
CVE-2026-19156 was first published on August 6, 2026, with the most recent update on August 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19156 actively exploited?
CVE-2026-19156 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (14th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19156?
CVE-2026-19156 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-19156?
No fix for CVE-2026-19156 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-19156 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-19156

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