CVE-2026-79256

HIGHPre-NVD 8.38.3—
EchelonGraph scoreHIGH confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2026-08-25. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
8.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.3Exploit: None knownExposed: 0

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

Externally controlled reference in WebView in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
8.3
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
8.3(high)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity83% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 26, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/499007248
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html

Vendor Advisories for CVE-2026-79256(1)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 152.0.7977.64-1 (412 versions)152.0.7977.75-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb12u1 (178 versions)152.0.7977.75-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb13u1 (180 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 25× in last 7d / 104× 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 104 total refreshes for this CVE.

  1. 2026-09-19 14:39 UTCGHSA enrichment
  2. 2026-09-19 02:39 UTCEG score recompute
  3. 2026-09-19 02:39 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 14:38 UTCGHSA enrichment
  6. 2026-09-18 02:37 UTCEG score recompute
  7. 2026-09-18 02:37 UTCGHSA enrichment
  8. 2026-09-17 14:36 UTCGHSA enrichment
  9. 2026-09-17 02:14 UTCGHSA enrichment
  10. 2026-09-16 14:13 UTCEG score recompute
  11. 2026-09-16 14:13 UTCGHSA enrichment
  12. 2026-09-16 14:08 UTCEPSS rescore
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-16 01:24 UTCGHSA enrichment
  15. 2026-09-15 13:23 UTCEG score recompute
  16. 2026-09-15 13:23 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-15 01:22 UTCGHSA enrichment
  20. 2026-09-14 13:21 UTCGHSA enrichment
  21. 2026-09-14 01:19 UTCEG score recompute
  22. 2026-09-14 01:19 UTCGHSA enrichment
  23. 2026-09-13 13:19 UTCGHSA enrichment
  24. 2026-09-13 01:18 UTCEG score recompute
  25. 2026-09-13 01:18 UTCGHSA enrichment
Show 75 more
  1. 2026-09-12 13:17 UTCGHSA enrichment
  2. 2026-09-12 01:16 UTCEG score recompute
  3. 2026-09-12 01:16 UTCGHSA enrichment
  4. 2026-09-11 14:53 UTCEPSS rescore
  5. 2026-09-11 14:53 UTCEPSS rescore
  6. 2026-09-11 13:15 UTCEG score recompute
  7. 2026-09-11 13:15 UTCGHSA enrichment
  8. 2026-09-11 01:14 UTCGHSA enrichment
  9. 2026-09-10 13:13 UTCEG score recompute
  10. 2026-09-10 13:13 UTCGHSA enrichment
  11. 2026-09-10 01:12 UTCGHSA enrichment
  12. 2026-09-09 13:11 UTCGHSA enrichment
  13. 2026-09-09 01:09 UTCEG score recompute
  14. 2026-09-09 01:09 UTCGHSA enrichment
  15. 2026-09-08 22:01 UTCEPSS rescore
  16. 2026-09-08 12:00 UTCGHSA enrichment
  17. 2026-09-07 21:31 UTCEG score recompute
  18. 2026-09-07 21:31 UTCGHSA enrichment
  19. 2026-09-07 09:28 UTCGHSA enrichment
  20. 2026-09-06 21:17 UTCEG score recompute
  21. 2026-09-06 21:17 UTCGHSA enrichment
  22. 2026-09-06 13:48 UTCEPSS rescore
  23. 2026-09-06 09:16 UTCGHSA enrichment
  24. 2026-09-05 21:10 UTCEG score recompute
  25. 2026-09-05 21:10 UTCGHSA enrichment
  26. 2026-09-05 09:10 UTCGHSA enrichment
  27. 2026-09-04 21:09 UTCEG score recompute
  28. 2026-09-04 21:09 UTCGHSA enrichment
  29. 2026-09-04 09:08 UTCEG score recompute
  30. 2026-09-04 09:08 UTCGHSA enrichment
  31. 2026-09-04 05:07 UTCEPSS rescore
  32. 2026-09-03 21:07 UTCGHSA enrichment
  33. 2026-09-03 09:06 UTCGHSA enrichment
  34. 2026-09-02 21:06 UTCEG score recompute
  35. 2026-09-02 21:06 UTCGHSA enrichment
  36. 2026-09-02 14:12 UTCEPSS rescore
  37. 2026-09-02 09:02 UTCGHSA enrichment
  38. 2026-09-01 20:57 UTCEG score recompute
  39. 2026-09-01 20:57 UTCGHSA enrichment
  40. 2026-09-01 13:54 UTCEPSS rescore
  41. 2026-09-01 08:57 UTCEG score recompute
  42. 2026-09-01 08:57 UTCGHSA enrichment
  43. 2026-09-01 04:40 UTCEPSS rescore
  44. 2026-09-01 04:40 UTCEPSS rescore
  45. 2026-08-31 20:56 UTCGHSA enrichment
  46. 2026-08-31 08:54 UTCGHSA enrichment
  47. 2026-08-30 20:51 UTCEG score recompute
  48. 2026-08-30 20:51 UTCGHSA enrichment
  49. 2026-08-30 19:18 UTCEPSS rescore
  50. 2026-08-30 19:17 UTCEPSS rescore
  51. 2026-08-30 08:51 UTCEG score recompute
  52. 2026-08-30 08:50 UTCGHSA enrichment
  53. 2026-08-30 01:22 UTCEPSS rescore
  54. 2026-08-29 20:48 UTCGHSA enrichment
  55. 2026-08-29 08:47 UTCEG score recompute
  56. 2026-08-29 08:47 UTCGHSA enrichment
  57. 2026-08-28 21:42 UTCEPSS rescore
  58. 2026-08-28 20:45 UTCGHSA enrichment
  59. 2026-08-28 19:51 UTCGHSA enrichment
  60. 2026-08-28 17:01 UTCGHSA enrichment
  61. 2026-08-28 04:33 UTCGHSA enrichment
  62. 2026-08-27 16:31 UTCEG score recompute
  63. 2026-08-27 16:31 UTCGHSA enrichment
  64. 2026-08-27 14:25 UTCEPSS rescore
  65. 2026-08-27 04:27 UTCGHSA enrichment
  66. 2026-08-27 04:06 UTCGHSA enrichment
  67. 2026-08-26 20:06 UTCEG score recompute
  68. 2026-08-26 20:05 UTCGHSA enrichment
  69. 2026-08-26 17:22 UTCGHSA enrichment
  70. 2026-08-26 17:04 UTCEG score recompute▲ 1.80
  71. 2026-08-26 17:04 UTCGHSA enrichment
  72. 2026-08-26 17:01 UTCMITRE cvelistV5CVSS v3 → 8.3 · severity → HIGH
  73. 2026-08-26 16:42 UTCEG score recompute
  74. 2026-08-26 16:42 UTCGHSA enrichment
  75. 2026-08-26 14:47 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-79256?
CVE-2026-79256 is a high vulnerability published on August 25, 2026. Externally controlled reference in WebView in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-79256 disclosed?
CVE-2026-79256 was first published in the National Vulnerability Database on August 25, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-79256 actively exploited?
CVE-2026-79256 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 61.9% of all scored CVEs.
What is the CVSS score of CVE-2026-79256?
CVE-2026-79256 has a CVSS v3.1 base score of 8.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-79256?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-79256, 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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