CVE-2026-9997
Title: Google Chrome Input Sandbox Escape
Memory Corruption
Proof Of Concept
PoC Available for CVE-2026-9997
CWE Category
CWE-416
Published Date
May 28, 2026
Modified Date
Jul 21, 2026
Exploit Status
Available
Score
8.3
CVSS v
Exploit Probability (EPSS)
0.18%
Vulnerability Summary
CVE-2026-9997: Use after free in Input in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Source Entity
134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity
HIGH
8.3
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2026-9997 Exploits & PoCs (Proof Of Concept)
GitHub
https://github.com/George0Papasotiriou/CVE-2026-9997-VPN-Split-Tunneling-Bypass-via-DHCP-Option-Injection
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
HIGH
Privileges
N/A
Interaction
REQUIRED
CVSS Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected Stack
No specific products linked.