CVE-2026-78915

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-25. 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 — 6 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

Race condition in Enterprise in Google Chrome on on Windows prior to 152.0.7977.65 allowed an adjacent attacker to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Low)

CVSS v3
7.5
Vendor severity
LOWper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Low)
EG Score
7.5(high)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
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/533418127
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-2026-78915(1)

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

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 31× in last 7d / 31× 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.

  1. 2026-08-30 02:25 UTCEG score recompute
  2. 2026-08-30 02:25 UTCVendor advisory
  3. 2026-08-30 02:25 UTCGHSA enrichment
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-29 15:05 UTCVendor advisory
  6. 2026-08-29 15:05 UTCGHSA enrichment
  7. 2026-08-29 03:43 UTCEG score recompute
  8. 2026-08-29 03:43 UTCVendor advisory
  9. 2026-08-29 03:43 UTCGHSA enrichment
  10. 2026-08-28 21:42 UTCEPSS rescore
  11. 2026-08-28 16:22 UTCGHSA enrichment
  12. 2026-08-28 04:53 UTCGHSA enrichment
  13. 2026-08-27 17:32 UTCGHSA enrichment
  14. 2026-08-27 17:09 UTCGHSA enrichment
  15. 2026-08-27 15:50 UTCEG score recompute
  16. 2026-08-27 15:50 UTCGHSA enrichment
  17. 2026-08-27 14:25 UTCEPSS rescore
  18. 2026-08-27 04:27 UTCGHSA enrichment
  19. 2026-08-27 04:02 UTCEG score recompute
  20. 2026-08-27 04:02 UTCGHSA enrichment
  21. 2026-08-26 17:04 UTCGHSA enrichment
  22. 2026-08-26 16:37 UTCGHSA enrichment
  23. 2026-08-26 15:43 UTCEG score recompute
  24. 2026-08-26 15:43 UTCGHSA enrichment
  25. 2026-08-26 14:47 UTCEPSS rescore
Show 6 more
  1. 2026-08-26 12:58 UTCEG score recompute▲ 2.10
  2. 2026-08-26 12:58 UTCGHSA enrichment
  3. 2026-08-26 12:57 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  4. 2026-08-25 21:25 UTCNVD update
  5. 2026-08-25 20:25 UTCEG score recompute
  6. 2026-08-25 20:25 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-78915?
CVE-2026-78915 is a high vulnerability published on August 25, 2026. Race condition in Enterprise in Google Chrome on on Windows prior to 152.0.7977.65 allowed an adjacent attacker to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Low)
When was CVE-2026-78915 disclosed?
CVE-2026-78915 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-2026-78915 actively exploited?
CVE-2026-78915 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 98.3% of all scored CVEs.
What is the CVSS score of CVE-2026-78915?
CVE-2026-78915 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-78915?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78915, 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

Explore the affected products and dependency analysis for CVE-2026-78915

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