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CVE-2026-4459

29
FAUCET Score

CVE-2026-4459 is a high-severity out-of-bounds read and write vulnerability in Google Chrome's WebAudio component, affecting versions prior to 146.0.7680.153 across various operating systems. Rated 8.8 HIGH, this flaw allows a remote attacker to exploit heap corruption with low complexity via a crafted HTML page, potentially leading to significant system compromise. Although user interaction is required, there is currently no evidence of active exploitation, nor are public exploit modules available. Community discussion and media coverage remain low, suggesting limited public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
>= 146.0.7680.153, < 146.0.7680.153CPE match
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
< 146.0.7680.153CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 24th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 146.0.3856.72

Vendor Advisories (1)

microsoft2026-Mar/CVE-2026-4459

Chromium: CVE-2026-4459 Out of bounds read and write in WebAudio

Mar 10, 2026

References

chromereleases.googleblog.com / 2026/03/stable-channel-update-for-desktop_18.html
Release NotesVendor Advisory
issues.chromium.org / issues/490246422
Issue TrackingPermissions Required