Google Chrome up to 149.0.7827.155 Fileystem use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
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.
6.0$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Google Chrome. Affected is an unknown function of the component Fileystem. Executing a manipulation can lead to use after free. The identification of this vulnerability is CVE-2026-13027. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Google Chrome and classified as critical. This vulnerability affects an unknown code block of the component Fileystem. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use after free in FileSystem in Google Chrome prior to 149.0.7827.197 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

The advisory is shared for download at chromereleases.googleblog.com. This vulnerability was named CVE-2026-13027 since 06/23/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/27/2026).

The vulnerability scanner Nessus provides a plugin with the ID 323121 (Fedora 44 : chromium (2026-504709cab7)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 149.0.7827.197 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (323121). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: 323121
Nessus Name: Fedora 44 : chromium (2026-504709cab7)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 149.0.7827.197

Timelineinfo

06/23/2026 CVE reserved
06/24/2026 +1 days Advisory disclosed
06/24/2026 +0 days VulDB entry created
06/27/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 520543
Status: Confirmed

CVE: CVE-2026-13027 (🔒)
GCVE (CVE): GCVE-0-2026-13027
GCVE (VulDB): GCVE-100-373504

Entryinfo

Created: 06/24/2026 21:26
Updated: 06/27/2026 13:53
Changes: 06/24/2026 21:26 (58), 06/27/2026 13:53 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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