Intel

CVE-2026-87552

Chromium CVE-2026-87552: Missing authorization in TrustedWebActivities

mediumEPSS 0.1%

Affected

  • google/chrome lt *..153.0.8010.36

Description

Missing authorization in TrustedWebActivities in Google Chrome on on Android prior to 153.0.8010.36 allowed a local attacker to obtain sensitive information via a co-installed app. (Chromium security severity: High)

Source: Debian Security AdvisoriesBSI WID PortalBSI CSAFMicrosoft Security Update GuideNVD (NIST)cvelistv5

Affected operating systems

  • linux

    debian / chromiumtrixie

Metrics

XIEM Effective CVSS
5.5
Source: nvd-v3
EPSS percentile
1.9 %
Low — this CVE sits in the lower 10% of all CVEs scored today.
KEV status
—
Show all metrics
Severity
medium
Priority score
57.53
Exploit maturity
no public PoC known
CVSS v3
5.5
EPSS score
0.1 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-09-30 20:26 UTC
CWE
CWE-862

Weakness classes (CWE)

  • CWE-862Class

    Missing Authorization

    The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. CVE Modified2026-09-10 16:18 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • CVSS V3.1: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    • SSVC: {"id":"CVE-2026-87552","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI…
  2. Initial Analysis2026-09-10 12:55 UTC· nvd@nist.gov
    • CVSS V3.1: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    • CPE Configuration: AND OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 153.0.8010.36 OR cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
    • Reference Type: Chrome: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html Types: Release Notes, Vendor Advisory
    • Reference Type: Chrome: https://issues.chromium.org/issues/547426657 Types: Permissions Required
  3. New CVE Received2026-09-09 01:17 UTC· chrome-cve-admin@google.com
    • Description: Missing authorization in TrustedWebActivities in Google Chrome on on Android prior to 153.0.8010.36 allowed a local attacker to obtain sensitive information via a co-installed app. (Chromium security severity: High)
    • CWE: CWE-862
    • Affected: New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/87xxx/CVE-2026-87552.json">CVE-2026-87552</a>
    • Reference: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html