CVE-2026-87597

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreHIGH confidence

Score 4.8 from GitHub Security Advisory published 2026-09-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.8Exploit: None knownExposed: 0

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

UI misrepresentation in CustomTabs in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker to spoof address bar via a co-installed app. (Chromium security severity: Low)

CVSS v3
4.8
Vendor severity
LOWper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: Low)
EG Score
4.8(high)
EG Risk
22(Track)
EG Risk 22/100SSVC: 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
Severity48% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 10, 2026

Advisory Details (2)

Auto-updated Sep 9, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Chromium

https://issues.chromium.org/issues/533018632
generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html

Vendor Advisories for CVE-2026-87597(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 19× in last 7d / 35× 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. 2026-09-19 07:05 UTCEG score recompute
  2. 2026-09-19 07:05 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 07:52 UTCEG score recompute
  5. 2026-09-18 07:52 UTCGHSA enrichment
  6. 2026-09-17 19:32 UTCEPSS rescore
  7. 2026-09-17 08:38 UTCEG score recompute
  8. 2026-09-17 08:38 UTCGHSA enrichment
  9. 2026-09-16 14:09 UTCEPSS rescore
  10. 2026-09-16 09:24 UTCEG score recompute
  11. 2026-09-16 09:24 UTCGHSA enrichment
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-15 10:10 UTCEG score recompute
  14. 2026-09-15 10:09 UTCGHSA enrichment
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-14 10:53 UTCEG score recompute
  17. 2026-09-14 10:53 UTCGHSA enrichment
  18. 2026-09-13 11:39 UTCEG score recompute
  19. 2026-09-13 11:39 UTCGHSA enrichment
  20. 2026-09-12 12:25 UTCEG score recompute
  21. 2026-09-12 12:25 UTCGHSA enrichment
  22. 2026-09-11 14:53 UTCEPSS rescore
  23. 2026-09-11 14:53 UTCEPSS rescore
  24. 2026-09-11 13:11 UTCEG score recompute
  25. 2026-09-11 13:11 UTCGHSA enrichment
Show 10 more
  1. 2026-09-10 13:57 UTCEG score recompute
  2. 2026-09-10 13:57 UTCGHSA enrichment
  3. 2026-09-09 20:46 UTCGHSA enrichment
  4. 2026-09-09 19:54 UTCEG score recompute▼ 0.60
  5. 2026-09-09 19:54 UTCGHSA enrichment
  6. 2026-09-09 19:50 UTCMITRE cvelistV5CVSS v3 → 4.8 · severity → MEDIUM
  7. 2026-09-09 15:53 UTCGHSA enrichment
  8. 2026-09-09 01:22 UTCNVD update
  9. 2026-09-09 00:58 UTCEG score recompute
  10. 2026-09-09 00:57 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-87597?
CVE-2026-87597 is a medium vulnerability published on September 9, 2026. UI misrepresentation in CustomTabs in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker to spoof address bar via a co-installed app. (Chromium security severity: Low)
When was CVE-2026-87597 disclosed?
CVE-2026-87597 was first published in the National Vulnerability Database on September 9, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-87597 actively exploited?
CVE-2026-87597 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 88.7% of all scored CVEs.
What is the CVSS score of CVE-2026-87597?
CVE-2026-87597 has a CVSS v3.1 base score of 4.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-87597?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87597, 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-2026-87597

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