CVE-2026-4441

Use after free in Base in Google Chrome prior to 146.

Verified by Precogs Threat Research
Last Updated: Mar 20, 2026
Base Score
8.8HIGH

Executive Summary

CVE-2026-4441 is a high severity vulnerability affecting binary-analysis. It is classified as Use After Free. Ensure your systems and dependencies are patched immediately to mitigate exposure risks.

Precogs AI Insight

"Precogs Binary SAST/DAST engine performs deep structural analysis of compiled binaries, detecting memory corruption, control-flow hijacking, and privilege escalation vulnerabilities without requiring source code access."

Exploit Probability
Elevated (52%)
Public POC
Undisclosed
Exploit Probability
Elevated (52%)
Public POC
Available
Affected Assets
binary analysisCWE-416

What is this vulnerability?

CVE-2026-4441 is categorized as a critical Memory Corruption Vulnerability flaw. Based on our vulnerability intelligence, this issue occurs when the application fails to securely handle untrusted data boundaries.

Use after free in Base in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (...

This architectural defect enables adversaries to bypass intended security controls, directly manipulating the application's execution state or data layer. Immediate strategic intervention is required.

Risk Assessment

MetricValue
CVSS Base Score8.8 (HIGH)
Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
PublishedMarch 20, 2026
Last ModifiedMarch 20, 2026
Related CWEsCWE-416

Impact on Systems

Remote Code Execution: Adversaries may execute arbitrary code by overwriting memory regions.

Denial of Service: Memory corruption often leads to unrecoverable application crashes.

Information Disclosure: Out-of-bounds reads can expose adjacent memory containing sensitive data.

How to fix this issue?

Implement the following strategic mitigations immediately to eliminate the attack surface.

1. Memory-Safe Languages When possible, migrate parsing logic to memory-safe languages like Rust or Go.

2. Compiler Protections Ensure the binary is compiled with ASLR, DEP/NX, Stack Canaries, and RELRO.

3. Fuzz Testing Implement continuous fuzzing with AddressSanitizer (ASan) in the CI/CD pipeline.

Vulnerability Signature

// Generic Memory Corruption Vector (C/C++)
void process_input(char *user_data, size_t size) \{
    char buffer[256];
    // DANGEROUS: Unbounded memory operation
    memcpy(buffer, user_data, size); // size may exceed 256
    
    // SECURED: Bound-checked operation
    if (size \> sizeof(buffer)) \{
        size = sizeof(buffer);
    \}
    memcpy(buffer, user_data, size);
\}

References and Sources

Related Vulnerabilitiesvia CWE-416