CVE-2026-10920
published 2026-06-04CVE-2026-10920: Insufficient validation of untrusted input in WebShare in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker who had compromised the…
PriorityP345high8.3CVSS 3.1
AVNACHPRNUIRSCCHIHAH
EPSS
0.30%
22.9th percentile
Insufficient validation of untrusted input in WebShare in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 149.0.7827.53 | 149.0.7827.53 | |
| chrome | >= 149.0.7827.53 < 149.0.7827.53 | 149.0.7827.53 | |
| chrome_desktop | — | — | |
| paloalto | prisma_browser | — | — |
CVSS provenance
nvdv3.18.3HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
vendor_redhat8.3HIGH
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Palo Alto
PAN-SA-2026-0010 Chromium and Prisma Browser: Monthly Vulnerability Update (July 2026)
vendor_paloalto·2026-07-08·CVSS 9.6
CVE-2026-10881 [CRITICAL] PAN-SA-2026-0010 Chromium and Prisma Browser: Monthly Vulnerability Update (July 2026)
PAN-SA-2026-0010 Chromium and Prisma Browser: Monthly Vulnerability Update (July 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01245939337.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630350.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html CVE Summary CVE-2026-10881 Out of bounds rea
Red Hat
chromium-browser: Insufficient validation of untrusted input in WebShare
vendor_redhat·2026-06-02·CVSS 8.3
CVE-2026-10920 [HIGH] CWE-79 chromium-browser: Insufficient validation of untrusted input in WebShare
chromium-browser: Insufficient validation of untrusted input in WebShare
Insufficient validation of untrusted input in WebShare in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
An insufficient validation of untrusted input flaw was found in the WebShare component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=498977444
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-2026-10920
vendor_chrome·2026-06-02
CVE-2026-10920 [HIGH] Stable Channel Update for Desktop: CVE-2026-10920
Stable Channel Update for Desktop
CVE-2026-10920: Insufficient validation of untrusted input in WebShare. Reported by Google on 2026-04-02 [N/A][ 499159695 ] High CVE-2026-10921: Integer overflow in Dawn
Reported by Google on 2026-04-03 [N/A][ 499164652 ] High CVE-2026-10922: Insufficient validation of untrusted input in DevTools
Severity: high
VulDB
Google Chrome up to 148.0.7778.216 on macOS WebShare sandbox (ID 498977 / WID-SEC-2026-1794)
vuldb·2026-06-07·CVSS 8.3
CVE-2026-10920 [HIGH] Google Chrome up to 148.0.7778.216 on macOS WebShare sandbox (ID 498977 / WID-SEC-2026-1794)
A vulnerability was found in Google Chrome on macOS. It has been declared as critical. This vulnerability affects unknown code of the component WebShare. The manipulation results in sandbox issue.
This vulnerability is cataloged as CVE-2026-10920. The attack may be launched remotely. There is no exploit available.
It is recommended to upgrade the affected component.
GHSA
Insufficient validation of untrusted input in WebShare in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbo
ghsa_unreviewed·2026-06-05
CVE-2026-10920 [HIGH] CWE-20 Insufficient validation of untrusted input in WebShare in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbo
Insufficient validation of untrusted input in WebShare in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
No detection rules found.
No public exploits indexed.
2026-06-04
Published