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PatchSiren cyber security CVE debrief

CVE-2026-79146 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-25T21:18:09.820Z and has not been modified since then. The CVE-2026-79146 vulnerability is an information leak in CustomTabs in Google Chrome on Android prior to version 152.0.7977.65. It allowed a local attacker to obtain cross-origin data via a co-installed app. The vulnerability has a CVSS score of 5.5 and is rated as Medium severity by Chromium. Users of Google Chrome on Android devices, particularly those with co-installed apps, should be aware of this vulnerability and take steps to protect themselves by updating Chrome to version 152.0.7977.65 or later. The affected product is Google Chrome on Android, with the CPE criteria being cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* and cpe:2.3:o:google:android:-:*:*:*:*:*:*:*. To address this vulnerability, users should prioritize updating Chrome to version 152.0.7977.65 or later and review and restrict app permissions on Android devices.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-25
Original CVE updated
2026-08-31
Advisory published
2026-08-25
Advisory updated
2026-08-31

Who should care

Users of Google Chrome on Android devices, particularly those with co-installed apps, should be aware of this vulnerability and take steps to protect themselves by updating Chrome to version 152.0.7977.65 or later.

Technical summary

The CVE-2026-79146 vulnerability is an information leak in CustomTabs in Google Chrome on Android prior to version 152.0.7977.65. It allowed a local attacker to obtain cross-origin data via a co-installed app. The vulnerability has a CVSS score of 5.5 and is rated as Medium severity by Chromium. The affected product is Google Chrome on Android, with the CPE criteria being cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* and cpe:2.3:o:google:android:-:*:*:*:*:*:*:*.

Defensive priority

Medium severity vulnerability in Google Chrome on Android, allowing local attackers to obtain cross-origin data via co-installed apps. Users should prioritize updating Chrome to version 152.0.7977.65 or later.

Recommended defensive actions

  • Update Google Chrome to version 152.0.7977.65 or later
  • Review and restrict app permissions on Android devices
  • Monitor for suspicious activity related to co-installed apps

Evidence notes

The CVE-2026-79146 vulnerability is described as an information leak in CustomTabs in Google Chrome on Android prior to version 152.0.7977.65. It allowed a local attacker to obtain cross-origin data via a co-installed app. The Chromium security severity is rated as Medium with a CVSS score of 5.5.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79146 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79146

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-79146 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79146

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.