CVE-2026-10942

Local privilege escalation

Published Jun 4, 2026 · Updated Jun 4, 2026

Improper input validation in Google Chrome for Windows before 149.0.7827.53 allows local users to escalate privileges via a malicious file. The restricted Chromium issue does not disclose which UI code path accepts the file or how it validates and acts on its contents. Exploitation requires local access and user interaction with the file; the published impact covers host privilege escalation.

CVSS severity7.8
High
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Google Chrome for Windows before 149.0.7827.53 allows local users to escalate privileges via a malicious file. The restricted Chromium issue does not disclose which UI code path accepts the file or how it validates and acts on its contents. Exploitation requires local access and user interaction with the file; the published impact covers host privilege escalation.

The record

CVE
CVE-2026-10942
Published
Jun 4, 2026
Updated
Jun 4, 2026
Vendor
Go standard library
Product
Google Chrome
Classifications
CWE-20, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 4, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 4, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=149.0.7827.53 <149.0.7827.53

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Go standard library · Google Chromeversion=149.0.7827.53 <149.0.7827.53

Published CVSS scores

7.8CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1204.002Malicious File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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