Google Chrome up to 145.0.7632.116 V8 out-of-bounds write

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.
7.4$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Google Chrome. This issue affects some unknown processing of the component V8. Such manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2026-3543. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Google Chrome and classified as critical. Affected by this issue is an unknown code block of the component V8. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Inappropriate implementation in V8 in Google Chrome prior to 145.0.7632.159 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

The advisory is shared for download at chromereleases.googleblog.com. This vulnerability is handled as CVE-2026-3543 since 03/04/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for 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 03/07/2026).

The vulnerability scanner Nessus provides a plugin with the ID 301329 (Debian dsa-6157 : chromium - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 145.0.7632.159 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (301329) and CERT Bund (WID-SEC-2026-0612). Once again VulDB remains the best source for vulnerability data.

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: 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: Out-of-bounds write
CWE: CWE-787 / 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: 301329
Nessus Name: Debian dsa-6157 : chromium - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 145.0.7632.159

Timelineinfo

03/04/2026 CVE reserved
03/05/2026 +1 days Advisory disclosed
03/05/2026 +0 days VulDB entry created
03/07/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 485267
Status: Confirmed

CVE: CVE-2026-3543 (🔒)
GCVE (CVE): GCVE-0-2026-3543
GCVE (VulDB): GCVE-100-348836
CERT Bund: WID-SEC-2026-0612 - Google Chrome: Mehrere Schwachstellen

Entryinfo

Created: 03/05/2026 02:38
Updated: 03/07/2026 16:15
Changes: 03/05/2026 02:38 (58), 03/05/2026 19:57 (7), 03/06/2026 10:49 (11), 03/06/2026 15:56 (1), 03/07/2026 16:15 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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