CVE-2026-4439Patch(apple / chrome)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch apple chrome systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Out of bounds memory access in WebGL in Google Chrome on Android prior to 146.0.7680.153 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

apple CVEs Back to dashboard

1.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html

Other references

https://issues.chromium.org/issues/475877320

Weakness type (CWE)

CWE-125CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

chrome
linux_kernel
macos
windows

Threat summary

Patch or workaround signal is available
5 mentions across 3 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 3 signals
Technical details provided in 4 signals
Disclosure: 2 classified signals
Peaked 2d ago at 2 mentions (2026-03-20); latest day: 1
5 total mentions across 3 days

Affected systems

Vendors

apple google linux microsoft

Products

chromelinux_kernelmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline5 mentions / 3d

Signal classification2 categories

Patch

360.0%

Disclosure

240.0%

Referenced assets4 URLs

By indicator

Classification over time

Date	Total	Labels

2026-03-20	2	Disclosure2
2026-03-21	2	Patch2
2026-03-26	1	Patch1

Full discourse5 posts

pablito.eth 🦇🔊 @ EthCC 🇫🇷@PabloSabbatella202d
Patch
🚨 CHROME SECURITY UPDATE 🚨: Everyone should force Google Chrome update now. It fixes 26 vulnerabilities, 3 of them being critical: - CVE-2026-4439 > WebGL - Out of bounds memory access - CVE-2026-4440 > WebGL > Out of bounds read and write - CVE-2026-4441 > Base - Use after free 👉 How to: Top right > 3 dots > Settings > About Chrome > Update and relaunch.
Post summary
Google Chrome urges users to update to address three critical CVEs involving WebGL out‑of‑bounds access and a use‑after‑free, providing clear instructions to apply the patch.
2301912.2K
82.8K followersView on X
xvonfers@xvonfers203d
Disclosure
(CVE-2026-4439)[475877320][Imagination][command buffer]OOB access(IMG compiler has issues when uniform block count limits limits are exceeded) https://chromium-review.googlesource.com/c/chromium/src/+/7568129 Reported by Goodluck
Post summary
CVE-2026-4439 is disclosed as an out‑of‑bounds access bug in Imagination's IMG compiler triggered by exceeding uniform block count limits, with technical details provided but no exploit, patch, or proof of concept referenced.
000621.2K
4.9K followersView on X
kawn@kawn2020198d
Patch
#securityupdate #chrome Google が，Chrome 146.0.7680.153/154 (Windows および Mac) および 146.0.7680.153 (Linux) をリリース． CVE ベースで Critical 3 件・CVE-2026-4439 ・CVE-2026-4440 ・CVE-2026-4441 High 22 件の全 26 件の脆弱性に対処． https://x.com/kawn2020/status/2037071642309067082
Post summary
Google announced the release of Chrome 146.0.7680.153/154, patching 26 vulnerabilities—including three critical CVEs—without providing any proof‑of‑concept, exploit details, or active exploitation evidence.
1000064
87 followersView on X
Techgines@nxtgen579255203d
Patch
Chrome 146.0.7680.153/154 is out with 26 security fixes, including 3 Critical bugs: CVE-2026-4439 & 4440 (WebGL) + CVE-2026-4441 (Base). If your update is pending, don’t wait—relaunch Chrome now. https://www.techgines.com/post/chrome-146-security-update-146-0-7680-153-154-the-big-three-critical-rce-bugs-explained #Chrome146 #CyberSecurity #InfoSec #CVE #RCE https://t.co/7zy5xJET0r
Post summary
The tweet promotes the Chrome 146 update, highlighting three critical RCE fixes, and urges users to apply the patch.
0000091
4 followersView on X
CVE@CVEnew204d
Disclosure
CVE-2026-4439 Out of bounds memory access in WebGL in Google Chrome on Android prior to 146.0.7680.153 allowed a remote attacker to potentially perform a sandbox escape via a crafted… https://www.cve.org/CVERecord?id=CVE-2026-4439
Post summary
A new CVE-2026-4439 details an out‑of‑bounds memory access issue in Chrome WebGL on Android capable of sandbox escape, but no exploit, patch, or active exploitation is reported.
00000126
56.8K followersView on X

CPE platform detail4 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

4 of 4 entries

Part	Vendor	Product	Version	Target SW	Target HW
OS	apple	macos	-	-	-
App	google	chrome	-	-	-
OS	linux	linux_kernel	-	-	-
OS	microsoft	windows	-	-	-

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What researchers are saying

CVE-2026-4439

pablito.eth 🦇🔊 @ EthCC 🇫🇷[verified]@PabloSabbatellaPatch

Google Chrome urges users to update to address three critical CVEs involving WebGL out‑of‑bounds access and a use‑after‑free, providing clear instructions to apply the patch.

xvonfers@xvonfersDisclosure

CVE-2026-4439 is disclosed as an out‑of‑bounds access bug in Imagination's IMG compiler triggered by exceeding uniform block count limits, with technical details provided but no exploit, patch, or proof of concept referenced.

kawn@kawn2020Patch

Google announced the release of Chrome 146.0.7680.153/154, patching 26 vulnerabilities—including three critical CVEs—without providing any proof‑of‑concept, exploit details, or active exploitation evidence.

Techgines@nxtgen579255Patch

The tweet promotes the Chrome 146 update, highlighting three critical RCE fixes, and urges users to apply the patch.

CVE@CVEnewDisclosure

A new CVE-2026-4439 details an out‑of‑bounds memory access issue in Chrome WebGL on Android capable of sandbox escape, but no exploit, patch, or active exploitation is reported.