CVE-2026-9977
published 2026-05-28CVE-2026-9977: Insufficient validation of untrusted input in WebShare in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker who had compromised the…
PriorityP343high8.3CVSS 3.1
AVNACHPRNUIRSCCHIHAH
EPSS
0.18%
8.3th percentile
Insufficient validation of untrusted input in WebShare in Google Chrome on Android prior to 148.0.7778.216 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 | < 148.0.7778.216 | 148.0.7778.216 | |
| chrome | >= 148.0.7778.216 < 148.0.7778.216 | 148.0.7778.216 | |
| 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-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
vendor_paloalto·2026-06-10·CVSS 8.8
CVE-2026-8509 [HIGH] PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html CVE Summary CVE-2026-8509 Heap buffer overflow in WebML CVE-2026-8510 Integer overflow in Skia CVE-2026-8511 Use after free in UI CVE-2026-8512 Use after free in FileSystem CVE-2026-8513 Use after free in Input CVE-2026-8514 Use after free in Aura CVE-2026-8515 Use after free
Chrome
Stable Channel Update for Desktop: CVE-2026-9977
vendor_chrome·2026-05-27
CVE-2026-9977 [HIGH] Stable Channel Update for Desktop: CVE-2026-9977
Stable Channel Update for Desktop
CVE-2026-9977: Insufficient validation of untrusted input in WebShare. Reported by Google on 2026-05-10 [N/A][ 511741396 ] High CVE-2026-9978: Use after free in Glic
Reported by Google on 2026-05-10 [N/A][ 511742228 ] High CVE-2026-9979: Insufficient validation of untrusted input in Input
Severity: high
Red Hat
chromium-browser: Insufficient validation of untrusted input in WebShare
vendor_redhat·2026-05-27·CVSS 8.3
CVE-2026-9977 [HIGH] CWE-1286 chromium-browser: Insufficient validation of untrusted input in WebShare
chromium-browser: Insufficient validation of untrusted input in WebShare
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=511741173
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
VulDB
Google Chrome up to 148.0.7778.179 on Android WebShare sandbox (ID 511741 / WID-SEC-2026-1733)
vuldb·2026-05-31·CVSS 8.3
CVE-2026-9977 [HIGH] Google Chrome up to 148.0.7778.179 on Android WebShare sandbox (ID 511741 / WID-SEC-2026-1733)
A vulnerability identified as critical has been detected in Google Chrome on Android. This affects an unknown part of the component WebShare. The manipulation leads to sandbox issue.
This vulnerability is documented as CVE-2026-9977. The attack can be initiated remotely. There is not any exploit available.
You should upgrade the affected component.
GHSA
GHSA-7x5x-m385-pfxv: Insufficient validation of untrusted input in WebShare in Google Chrome on Android prior to 148
ghsa_unreviewed·2026-05-29
CVE-2026-9977 [HIGH] CWE-20 GHSA-7x5x-m385-pfxv: Insufficient validation of untrusted input in WebShare in Google Chrome on Android prior to 148
Insufficient validation of untrusted input in WebShare in Google Chrome on Android prior to 148.0.7778.216 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.
2026-05-28
Published