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Google Chrome EUVDEUVD-2026-40559

| CVE-2026-13873 MEDIUM
Out-of-bounds Write (CWE-787)
2026-06-30 chrome-cve-admin@google.com GHSA-x7w5-522m-wp35
6.5
CVSS 3.1 · Vendor: google
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Severity by source

Vendor (google) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
vuln.today AI
6.5 MEDIUM

Network-delivered via crafted HTML with no privileges needed; mandatory user page-visit limits scope; impact is confidentiality-only from memory read with no integrity or availability effect.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE
MEDIUM
qualitative

Primary rating from Vendor (google).

CVSS VectorVendor: google

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Jul 01, 2026 - 02:23 vuln.today
CVSS changed
Jul 01, 2026 - 02:22 NVD
6.5 (None) 6.5 (MEDIUM)
CVE Published
Jun 30, 2026 - 23:17 cve.org
UNKNOWN (no severity yet)
CVE Published
Jun 30, 2026 - 23:17 cve.org
MEDIUM 6.5

DescriptionCVE.org

Out of bounds read in Layout in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

Out-of-bounds read in Chrome's Layout engine prior to 150.0.7871.47 allows remote attackers to leak potentially sensitive data from the renderer process memory by serving a crafted HTML page. User interaction is required - the victim must visit the malicious page - limiting automated mass exploitation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Lure victim to attacker-controlled page
Delivery
Crafted HTML triggers Layout OOB read
Exploit
Renderer process memory exposed
Execution
Attacker parses leaked memory
Impact
Sensitive data exfiltrated

Vulnerability AssessmentAI

Exploitation Exploitation requires that the target user visit a crafted HTML page using an unpatched version of Google Chrome (prior to 150.0.7871.47) on a supported desktop platform. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) scores 6.5, reflecting network-reachable exploitation with no authentication and no elevated privileges required, but a mandatory user interaction step. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts a crafted HTML page that triggers the out-of-bounds read in Chrome's Layout engine when rendered. The victim is directed to this page via a phishing email or malicious advertisement, causing the unpatched browser to read beyond an internal buffer boundary and potentially expose renderer process memory to the attacker. …
Remediation Update Google Chrome to version 150.0.7871.47 or later, which contains the vendor-released patch for this vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Tumbleweed Fixed
SUSE Package Hub 15 SP7 Affected

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EUVD-2026-40559 vulnerability details – vuln.today

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