CVE-2026-0903 — Improper Input Validation in Google Chrome

CWE-20 — Improper Input Validation7 documents7 sources
Severity
5.4MEDIUMNVD
EPSS
0.0%
top 88.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Google ChromeChromium
Timeline
PublishedJan 20

Description

Inappropriate implementation in Downloads in Google Chrome on Windows prior to 144.0.7559.59 allowed a remote attacker to bypass dangerous file type protections via a malicious file. (Chromium security severity: Medium)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.5

Affected Packages3 packages

▶CVEListV5google/chrome144.0.7559.59 — 144.0.7559.59
▶NVDgoogle/chrome< 144.0.7559.59+1
▶Debianchromium/chromium< 144.0.7559.59-1~deb12u1+2

🔴Vulnerability Details

3
GHSA
GHSA-743w-qrv8-633j: Inappropriate implementation in Downloads in Google Chrome on Windows prior to 144↗2026-01-20
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OSV
CVE-2026-0903: Inappropriate implementation in Downloads in Google Chrome on Windows prior to 144↗2026-01-20
▶
CVEList
CVE-2026-0903: Inappropriate implementation in Downloads in Google Chrome on Windows prior to 144↗2026-01-20
▶

📋Vendor Advisories

2
Microsoft
Chromium: CVE-2026-0903 Insufficient validation of untrusted input in Downloads↗2026-01-13
▶
Debian
CVE-2026-0903: chromium - Inappropriate implementation in Downloads in Google Chrome on Windows prior to 1...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-0903 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-0903 — Improper Input Validation in Google | cvebase