CVE-2026-17861
published 2026-07-30CVE-2026-17861: 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…
PriorityP341high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
0.08%
0.4th percentile
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)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 151.0.7922.72 | 151.0.7922.72 | |
| chrome | >= 151.0.7922.72 < 151.0.7922.72 | 151.0.7922.72 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat7.8HIGH
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Red Hat
chromium-browser: chromium-browser: Insufficient validation of untrusted input in Updater
vendor_redhat·2026-07-30·CVSS 7.8
CVE-2026-17861 [HIGH] CWE-434 chromium-browser: chromium-browser: Insufficient validation of untrusted input in Updater
chromium-browser: chromium-browser: Insufficient validation of untrusted input in Updater
An insufficient validation of untrusted input flaw was found in the Updater component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=520417861
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-17861
vendor_chrome·2026-07-29
CVE-2026-17861 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-17861
Stable Channel Update for Desktop
CVE-2026-17861: Insufficient validation of untrusted input in Updater. Reported by Google on 2026-06-05 [N/A][ 520426287 ] Medium CVE-2026-17862: Use after free in Tracing
Reported by Google on 2026-06-05 [N/A][ 520468718 ] Medium CVE-2026-17863: Inappropriate implementation in Browser
Severity: medium
GHSA
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.
ghsa_unreviewed·2026-07-30
CVE-2026-17861 [HIGH] CWE-20 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.
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)
No detection rules found.
No public exploits indexed.
2026-07-30
Published