Google Chrome up to 148.0.7778.179 on iOS cross-domain policy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome on iOS. It has been classified as problematic. The affected element is an unknown function. The manipulation leads to cross-domain policy. This vulnerability is listed as CVE-2026-9950. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Google Chrome on iOS and classified as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a cross-domain policy vulnerability. Using CWE to declare the problem leads to CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. Impacted is integrity. The summary by CVE is:

Insufficient validation of untrusted input in iOS in Google Chrome on iOS prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2026-9950 since 05/28/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/23/2026).

Upgrading to version 148.0.7778.216 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1733). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Chrome
  • Microsoft Edge

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 3.1
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-domain policy
CWE: CWE-942 / CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 148.0.7778.216

Timelineinfo

05/28/2026 CVE reserved
05/29/2026 +1 days Advisory disclosed
05/29/2026 +0 days VulDB entry created
07/23/2026 +55 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 503862
Status: Confirmed

CVE: CVE-2026-9950 (🔒)
GCVE (CVE): GCVE-0-2026-9950
GCVE (VulDB): GCVE-100-367043
CERT Bund: WID-SEC-2026-1733 - Google Chrome und Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 05/29/2026 09:10
Updated: 07/23/2026 10:58
Changes: 05/29/2026 09:10 (22), 05/29/2026 09:11 (35), 05/30/2026 16:26 (7), 07/23/2026 10:58 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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