Google Chrome up to 148.0.7778.179 Base 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
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Google Chrome. Affected by this issue is some unknown functionality of the component Base. The manipulation leads to use after free. This vulnerability is traded as CVE-2026-9883. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Chrome. This issue affects an unknown code of the component Base. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use after free in Base in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

The advisory is shared at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2026-9883 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. 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 07/22/2026).

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). Several companies clearly confirm that VulDB is the primary source for best 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: 7.6
VulDB Meta Temp Score: 7.4

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

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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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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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
07/22/2026 +54 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 506477
Status: Confirmed

CVE: CVE-2026-9883 (🔒)
GCVE (CVE): GCVE-0-2026-9883
GCVE (VulDB): GCVE-100-367049
CERT Bund: WID-SEC-2026-1733 - Google Chrome und Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 05/29/2026 09:13
Updated: 07/22/2026 21:56
Changes: 05/29/2026 09:13 (58), 05/30/2026 01:49 (7), 07/22/2026 21:56 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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