CVE-2026-78905

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-25. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

Type confusion in ANGLE in Google Chrome 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: Medium)

CVSS v3
8.8
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
8.8(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 27, 2026

Advisory Details (2)

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

Chromium

https://issues.chromium.org/issues/517245017
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-2026-78905(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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 38× in last 7d / 137× 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 137 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCvxssroott/CVE-2026-78905-Facebook-Account-Takeover
    First seen Aug 30, 2026

    Social Media Infrastructure Vulnerability Research. CVE-2026-78905: OAuth token reuse and session hijacking in Facebook's Graph API.

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-78905?
CVE-2026-78905 is a high vulnerability published on August 25, 2026. Type confusion in ANGLE in Google Chrome 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: Medium)
When was CVE-2026-78905 disclosed?
CVE-2026-78905 was first published in the National Vulnerability Database 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-2026-78905 actively exploited?
CVE-2026-78905 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 59.8% of all scored CVEs.
What is the CVSS score of CVE-2026-78905?
CVE-2026-78905 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-78905?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78905, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-78905

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