Vulnerability Report

CVE-2026-9973

Title: Out of bounds write in V8

Memory Corruption

Proof Of Concept

PoC Available for CVE-2026-9973

CWE Category CWE-787
Published Date May 28, 2026
Modified Date Jul 21, 2026
Exploit Status Available
Score 8.8 CVSS v
Exploit Probability (EPSS)
0.28%

Vulnerability Summary

CVE-2026-9973: Out of bounds write in V8 in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Impacted Vendors

T
techland 1
G
google 1

Reference Links

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html https://issues.chromium.org/issues/509268941
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-9973 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/jaf0rk/CVE-2026-9973-exploit
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.