CVE-2026-79256

HIGHPre-NVD 8.38.3—
EchelonGraph scoreMEDIUM 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: 0.4%CVSS: 8.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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
8.3HIGHmedium confidence
EG Risk
38
EG Risk 38/100CISA 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
Severity83% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
36th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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 25, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 26, 2026
Patch available.
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 rangeFix by version rangeDependents
chromium113.0.5672.126-1 ... 152.0.7977.64-1 (412 versions)
  • every version up to 152.0.7977.75-1~deb12u1: fixed in 152.0.7977.75-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 152.0.7977.75-1~deb12u1 (178 versions)
  • every version up to 152.0.7977.75-1~deb13u1: fixed in 152.0.7977.75-1~deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (176 versions)
  • every version up to 152.0.7977.64-1: fixed in 152.0.7977.64-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 107× 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 176 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 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 0.4% probability of exploitation in the next 30 days (36th percentile of EPSS-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?
A fix for CVE-2026-79256 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-79256 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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