CVE-2026-17861

HighCVSS 7.8/10Last modified Oct 23, 2026

Description

Insufficient validation of untrusted input in Updater in Google Chrome prior to 151.0.7922.72 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published
Jul 30, 2026
Last modified
Oct 23, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-178627.8Use after free in Tracing in Google Chrome on Windows prior to 151.0.7922.72 allowed a local attacker to perform OS-level privilege escalatiCVE-2026-178637.8Inappropriate implementation in Browser in Google Chrome on Windows prior to 151.0.7922.72 allowed a local attacker to perform privilege escCVE-2026-178647.8Inappropriate implementation in Updater in Google Chrome on Mac prior to 151.0.7922.72 allowed a local attacker to perform OS-level privilegCVE-2026-178659.6Inappropriate implementation in Crypto in Google Chrome on Mac prior to 151.0.7922.72 allowed a remote attacker who had compromised the rendCVE-2026-178665.8Type Confusion in Tab in Google Chrome on Android prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process CVE-2026-178677.1Insufficient validation of untrusted input in Dawn in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform CVE-2026-178688.8Insufficient policy enforcement in USB in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to perform privilege escalation viaCVE-2026-178698.1Out of bounds read in WebXR in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to perform an out of bounds memory read via a CVE-2026-17874.8The LearnPress Export Import – WordPress extension for LearnPress plugin for WordPress is vulnerable to unauthorized loss of data due to a mCVE-2026-178704.3Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment CVE-2026-178714.3Inappropriate implementation in Passwords in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who convinced a user to engage iCVE-2026-178726.1Cryptographic Flaw in WebAppInstalls in Google Chrome on Android prior to 151.0.7922.72 allowed a local attacker to potentially perform a sa
CVE-2026-17861: High severity, CVSS 7.8 | Vulnix