Google Chrome up to 148.0.7778.96 on macOS ReadingMode information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.6$5k-$25k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Google Chrome on macOS. This affects an unknown function of the component ReadingMode. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2026-8536. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Google Chrome on macOS. This affects an unknown code of the component ReadingMode. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Insufficient validation of untrusted input in ReadingMode in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to bypass site Isolation via a crafted HTML page. (Chromium security severity: High)

The advisory is shared at chromereleases.googleblog.com. This vulnerability is uniquely identified as CVE-2026-8536 since 05/14/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/19/2026). MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 315114 (Fedora 44 : chromium (2026-885a3f8c70)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 148.0.7778.168 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (315114) and CERT Bund (WID-SEC-2026-1542). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Google Chrome

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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Nessus ID: 315114
Nessus Name: Fedora 44 : chromium (2026-885a3f8c70)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 148.0.7778.168

Timelineinfo

05/14/2026 CVE reserved
05/15/2026 +1 days Advisory disclosed
05/15/2026 +0 days VulDB entry created
05/19/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 495857
Status: Confirmed

CVE: CVE-2026-8536 (🔒)
GCVE (CVE): GCVE-0-2026-8536
GCVE (VulDB): GCVE-100-364053
CERT Bund: WID-SEC-2026-1542 - Google Chrome: Mehrere Schwachstellen

Entryinfo

Created: 05/15/2026 04:36
Updated: 05/19/2026 14:23
Changes: 05/15/2026 04:36 (59), 05/16/2026 15:23 (7), 05/18/2026 09:38 (2), 05/19/2026 14:23 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

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