CVE-2026-4673
published 2026-03-24CVE-2026-4673: Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML…
PriorityP350high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.50%
40.1th percentile
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 146.0.7680.164-1~deb12u1 | 146.0.7680.164-1~deb12u1 |
| chromium | chromium | >= 0 < 146.0.7680.164-1~deb13u1 | 146.0.7680.164-1~deb13u1 |
| chromium | chromium | >= 0 < 146.0.7680.164-1 | 146.0.7680.164-1 |
| debian | chromium | < chromium 146.0.7680.164-1~deb12u1 (bookworm) | chromium 146.0.7680.164-1~deb12u1 (bookworm) |
| chrome | < 146.0.7680.164 | 146.0.7680.164 | |
| chrome | >= 146.0.7680.165 < 146.0.7680.165 | 146.0.7680.165 | |
| 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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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·2026-03-23·CVSS 8.8
CVE-2026-4673 [HIGH] CWE-787 chromium-browser: Heap buffer overflow in WebAudio
chromium-browser: Heap buffer overflow in WebAudio
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory write 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=485397284
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-2026-4673
vendor_chrome·2026-03-23·CVSS 8.8
CVE-2026-4673 [HIGH] Stable Channel Update for Desktop: CVE-2026-4673
Stable Channel Update for Desktop
CVE-2026-4673: Heap buffer overflow in WebAudio. Reported by c6eed09fc8b174b0f3eebedcceb1e792 on 2026-02-18 [TBD][ 488188166 ] High CVE-2026-4674: Out of bounds read in CSS
Reported by Syn4pse on 2026-02-27 [TBD][ 488270257 ] High CVE-2026-4675: Heap buffer overflow in WebGL
Severity: high
Microsoft
Chromium: CVE-2026-4673 Heap buffer overflow in WebAudio
vendor_msrc·2026-03-10·CVSS 8.8
CVE-2026-4673 [HIGH] Chromium: CVE-2026-4673 Heap buffer overflow in WebAudio
Chromium: CVE-2026-4673 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-2026-4673: chromium - Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowe...
vendor_debian·2026·CVSS 8.8
CVE-2026-4673 [HIGH] CVE-2026-4673: chromium - Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowe...
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)
Scope: local
bookworm: resolved (fixed in 146.0.7680.164-1~deb12u1)
bullseye: open
forky: resolved (fixed in 146.0.7680.164-1)
sid: resolved (fixed in 146.0.7680.164-1)
trixie: resolved (fixed in 146.0.7680.164-1~deb13u1)
OSV
CVE-2026-4673: Heap buffer overflow in WebAudio in Google Chrome prior to 146
osv·2026-03-24·CVSS 8.8
CVE-2026-4673 [HIGH] CVE-2026-4673: Heap buffer overflow in WebAudio in Google Chrome prior to 146
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)
GHSA
GHSA-9hqr-fq7x-7p43: Heap buffer overflow in WebAudio in Google Chrome prior to 146
ghsa_unreviewed·2026-03-24
CVE-2026-4673 [HIGH] CWE-122 GHSA-9hqr-fq7x-7p43: Heap buffer overflow in WebAudio in Google Chrome prior to 146
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)
No detection rules found.
No public exploits indexed.
Hackernews
⚡ Weekly Recap: Telecom Sleeper Cells, LLM Jailbreaks, Apple Forces U.K. Age Checks and More
blogs_hackernews·2026-03-30·CVSS 9.3
[CRITICAL] ⚡ Weekly Recap: Telecom Sleeper Cells, LLM Jailbreaks, Apple Forces U.K. Age Checks and More
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## ⚡ Weekly Recap: Telecom Sleeper Cells, LLM Jailbreaks, Apple Forces U.K. Age Checks and More
Some weeks are loud. This one was quieter but not in a good way. Long-running operations are finally hitting courtrooms, old attack methods are showing up in new places, and research that stopped being theoretical right around the time defenders stopped paying attention.
There's a bit of everything this week. Persistence plays, legal wins, influence ops, and at least one thing that looks boring until you see what it connects to.
All of it below. Let's go.
## ⚡ Threat of the Week
Citrix Flaw Comes Under Active Exploitation — A cr
Wiz
CVE-2026-4673 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 8.8
CVE-2026-4673 [HIGH] CVE-2026-4673 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-4673 :
vulnerability analysis and mitigation
Heap buffer overflow in WebAudio in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)
Source : NVD
## 8.8
Score
Published March 24, 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) 25.7
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
chromium-debuginfo
chromium-qt6-ui
Sources
Debian 11 Severity HIGH No Fix Added at: Mar 24, 2026
Debian 12, 13, 14 Severity HIGH Has Fix Added at: Mar 24, 2026
Echo Severity HIGH Has Fix Added at: Mar 24, 2026
Nix Severity HIGH H
2026-03-24
Published