CVE-2026-78935

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreMEDIUM confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-25. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 9.6Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Use of uninitialized variable in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

CVSS v3
9.6
Vendor severity
CRITICALper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Critical)
EG Score
9.6CRITICALmedium confidence
EG Risk
43
EG Risk 43/100CISA 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
Severity96% × 45%
Exploitation1% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.5%
EPSS %ILE
41st
KEV
Not listed

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

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

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 25, 2026

Last Modified

August 27, 2026

Advisory Details (2)

Auto-updated Oct 7, 2026
🔬 Proof of concept available. Patch available.
generic🟡 PoC Available

Chromium

https://issues.chromium.org/issues/522082472
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-2026-78935(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 38× in last 7d / 206× 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 333 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-78935?
CVE-2026-78935 is a critical vulnerability published on August 25, 2026. Use of uninitialized variable in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
When was CVE-2026-78935 disclosed?
CVE-2026-78935 was first published on August 25, 2026, with the most recent update on August 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78935 actively exploited?
CVE-2026-78935 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (41st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-78935?
CVE-2026-78935 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-78935?
A fix for CVE-2026-78935 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-78935 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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