CVE-2026-4443
published 2026-03-20CVE-2026-4443: Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted…
PriorityP351high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.41%
34.0th percentile
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 146.0.7680.153-1~deb12u1 | 146.0.7680.153-1~deb12u1 |
| chromium | chromium | >= 0 < 146.0.7680.153-1~deb13u1 | 146.0.7680.153-1~deb13u1 |
| chromium | chromium | >= 0 < 146.0.7680.153-1 | 146.0.7680.153-1 |
| debian | chromium | < chromium 146.0.7680.153-1~deb12u1 (bookworm) | chromium 146.0.7680.153-1~deb12u1 (bookworm) |
| chrome | < 146.0.7680.153 | 146.0.7680.153 | |
| chrome | >= 146.0.7680.153 < 146.0.7680.153 | 146.0.7680.153 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
| paloalto | prisma_browser | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH
vendor_debian8.8HIGH
vendor_msrc8.8HIGH
vendor_redhat8.8HIGH
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OSV
CVE-2026-4443: Heap buffer overflow in WebAudio in Google Chrome prior to 146
osv·2026-03-20·CVSS 8.8
CVE-2026-4443 [HIGH] CVE-2026-4443: Heap buffer overflow in WebAudio in Google Chrome prior to 146
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
GHSA
GHSA-4hm8-xr23-q3hh: Heap buffer overflow in WebAudio in Google Chrome prior to 146
ghsa_unreviewed·2026-03-20
CVE-2026-4443 [HIGH] CWE-122 GHSA-4hm8-xr23-q3hh: Heap buffer overflow in WebAudio in Google Chrome prior to 146
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Palo Alto
PAN-SA-2026-0007 Chromium and Prisma Browser: Monthly Vulnerability Update (May 2026)
vendor_paloalto·2026-05-13·CVSS 8.8
CVE-2026-4439 [HIGH] PAN-SA-2026-0007 Chromium and Prisma Browser: Monthly Vulnerability Update (May 2026)
PAN-SA-2026-0007 Chromium and Prisma Browser: Monthly Vulnerability Update (May 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_22.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html CVE Summary CVE-2026-4439 Out of bounds memory access in WebGL CVE-2026-4440 Out of bounds read and write in WebGL CVE-2026-4441 Use after free in Base CVE-2026-4442 Heap buffer overflow in
Red Hat
chromium-browser: Heap buffer overflow in WebAudio
vendor_redhat·2026-03-18·CVSS 8.8
CVE-2026-4443 [HIGH] CWE-120 chromium-browser: Heap buffer overflow in WebAudio
chromium-browser: Heap buffer overflow in WebAudio
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
A heap buffer overflow flaw was found in the WebAudio component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=485292589
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-4442
vendor_chrome·2026-03-18·CVSS 8.8
CVE-2026-4442 [HIGH] Stable Channel Update for Desktop: CVE-2026-4442
Stable Channel Update for Desktop
CVE-2026-4442: Heap buffer overflow in CSS. Reported by Syn4pse on 2026-02-16 [TBD][ 485292589 ] High CVE-2026-4443: Heap buffer overflow in WebAudio
Reported by c6eed09fc8b174b0f3eebedcceb1e792 on 2026-02-18 [TBD][ 486349161 ] High CVE-2026-4444: Stack buffer overflow in WebRTC
Severity: high
Microsoft
Chromium: CVE-2026-4443 Heap buffer overflow in WebAudio
vendor_msrc·2026-03-10·CVSS 8.8
CVE-2026-4443 [HIGH] Chromium: CVE-2026-4443 Heap buffer overflow in WebAudio
Chromium: CVE-2026-4443 Heap buffer overflow in WebAudio
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About Microsoft Edge
F
Debian
CVE-2026-4443: chromium - Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowe...
vendor_debian·2026·CVSS 8.8
CVE-2026-4443 [HIGH] CVE-2026-4443: chromium - Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowe...
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Scope: local
bookworm: resolved (fixed in 146.0.7680.153-1~deb12u1)
bullseye: open
forky: resolved (fixed in 146.0.7680.153-1)
sid: resolved (fixed in 146.0.7680.153-1)
trixie: resolved (fixed in 146.0.7680.153-1~deb13u1)
No detection rules found.
No public exploits indexed.
Wiz
CVE-2026-4443 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 8.8
CVE-2026-4443 [HIGH] CVE-2026-4443 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-4443 :
vulnerability analysis and mitigation
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Source : NVD
## 8.8
Score
Published March 20, 2026
Severity HIGH
CNA Score 8.8
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 22.6
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
chromedriver
chromium
Sources
Alpine 3.23 Severity HIGH Has Fix Added at: Mar 31, 2026
Alpine edge Severity HIGH Has Fix Added at: Mar 30, 2026
Debian 11 Severity HIGH No Fix Added at: Mar 20, 2026
Debian 12, 13, 14 Severity HI
Bugzilla
CVE-2026-26127 .net: .NET: Denial of Service via out-of-bounds read
bugzilla·2026-03-10·CVSS 7.5
CVE-2026-26127 [HIGH] CVE-2026-26127 .net: .NET: Denial of Service via out-of-bounds read
CVE-2026-26127 .net: .NET: Denial of Service via out-of-bounds read
Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.
Discussion:
This issue has been addressed in the following products:
Red Hat Enterprise Linux 10
Via RHSA-2026:4450 https://access.redhat.com/errata/RHSA-2026:4450
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 10
Via RHSA-2026:4453 https://access.redhat.com/errata/RHSA-2026:4453
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2026:4443 https://access.redhat.com/errata/RHSA-2026:4443
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2026:4458 https://access.redhat.com/errata/RHSA-2026
2026-03-20
Published