CVE-2026-78937

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH 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 — 5 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%CVSS: 9.6Exploit: None knownExposed: 0

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

Use after free in Search in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3
9.6
Vendor severity
MEDIUMper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Medium)
EG Score
9.6(high)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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
Severity96% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 27, 2026

Advisory Details (2)

Auto-updated Aug 28, 2026
No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/501590191
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-2026-78937(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.

Data Freshness Timeline

(refreshed 42× in last 7d / 42× 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 05:42 UTCGHSA enrichment
  2. 2026-08-30 01:36 UTCEG score recompute
  3. 2026-08-30 01:36 UTCGHSA enrichment
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-29 21:31 UTCGHSA enrichment
  6. 2026-08-29 17:26 UTCGHSA enrichment
  7. 2026-08-29 12:30 UTCGHSA enrichment
  8. 2026-08-29 08:22 UTCGHSA enrichment
  9. 2026-08-29 04:16 UTCGHSA enrichment
  10. 2026-08-29 00:10 UTCEG score recompute
  11. 2026-08-29 00:09 UTCGHSA enrichment
  12. 2026-08-28 21:42 UTCEPSS rescore
  13. 2026-08-28 18:47 UTCGHSA enrichment
  14. 2026-08-28 14:38 UTCGHSA enrichment
  15. 2026-08-28 10:31 UTCGHSA enrichment
  16. 2026-08-28 06:24 UTCGHSA enrichment
  17. 2026-08-28 02:19 UTCGHSA enrichment
  18. 2026-08-27 22:12 UTCGHSA enrichment
  19. 2026-08-27 18:07 UTCEG score recompute
  20. 2026-08-27 18:07 UTCGHSA enrichment
  21. 2026-08-27 14:25 UTCEPSS rescore
  22. 2026-08-27 12:38 UTCGHSA enrichment
  23. 2026-08-27 08:33 UTCGHSA enrichment
  24. 2026-08-27 04:27 UTCGHSA enrichment
  25. 2026-08-27 04:06 UTCGHSA enrichment
Show 17 more
  1. 2026-08-27 01:32 UTCGHSA enrichment
  2. 2026-08-26 21:27 UTCEG score recompute
  3. 2026-08-26 21:27 UTCGHSA enrichment
  4. 2026-08-26 17:22 UTCGHSA enrichment
  5. 2026-08-26 16:42 UTCEG score recompute
  6. 2026-08-26 16:42 UTCGHSA enrichment
  7. 2026-08-26 14:47 UTCEPSS rescore
  8. 2026-08-26 13:03 UTCGHSA enrichment
  9. 2026-08-26 08:56 UTCGHSA enrichment
  10. 2026-08-26 04:50 UTCGHSA enrichment
  11. 2026-08-26 00:45 UTCEG score recompute▲ 3.10
  12. 2026-08-26 00:45 UTCGHSA enrichment
  13. 2026-08-26 00:44 UTCMITRE cvelistV5CVSS v3 → 9.6 · severity → CRITICAL
  14. 2026-08-25 21:33 UTCGHSA enrichment
  15. 2026-08-25 21:25 UTCNVD update
  16. 2026-08-25 20:31 UTCEG score recompute
  17. 2026-08-25 20:25 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-78937?
CVE-2026-78937 is a critical vulnerability published on August 25, 2026. Use after free in Search in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
When was CVE-2026-78937 disclosed?
CVE-2026-78937 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-2026-78937 actively exploited?
CVE-2026-78937 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 69.9% of all scored CVEs.
What is the CVSS score of CVE-2026-78937?
CVE-2026-78937 has a CVSS v3.1 base score of 9.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-78937?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78937, 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-2026-78937

Explore →

Is Your Infrastructure Affected by CVE-2026-78937?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs