Threat Intelligence / CVE / CVE-2026-102303

CVE-2026-102303 — Google Chrome

CVSS v3.1 4.3 (MEDIUM) · Priority 2.2/10 · Published 2026-09-29

As of 2026-09-29, CVE-2026-102303 is a MEDIUM-severity vulnerability in Google Chrome, CVSS v3.1 4.3. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-102303, most recently “Google Chrome 154 Update Fixes 32 Security Flaws Including Critical ANGLE Buffer Overflow (CVE-2026-102331)”.

Last updated: 2026-09-29

What is CVE-2026-102303?

Uninitialized resource in GPU in Google Chrome on on Android prior to 154.0.8037.92 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

The record classifies CVE-2026-102303 under weakness class CWE-908. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 4.3 — MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 2.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-09-29

Is CVE-2026-102303 being exploited?

No public exploitation evidence for CVE-2026-102303 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-09-29. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

Google: Chrome

How to fix CVE-2026-102303

No vendor patch reference has been recorded for CVE-2026-102303 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-102303

1 tracked threat in the Threadlinqs corpus references CVE-2026-102303, either in the campaign’s CVE list or as an indicator on the campaign record.

Google Chrome 154 Update Fixes 32 Security Flaws Including Critical ANGLE Buffer Overflow (CVE-2026-102331) — CRITICAL · 2026-09-30

Sources

Enriched from CVE.org, NVD, GitHub Security Advisories. Last verified by Threadlinqs on 2026-09-30. This product uses the NVD API but is not endorsed or certified by the NVD.

Other references

Full detection coverage & IOCs for threats exploiting CVE-2026-102303 are available via the Threadlinqs MCP server (Purple tier). View plans →

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