CVE-2026-8580Disclosure(google / chrome)

LOWCVSS 9.6 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch google chrome systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Use after free in Mojo in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

google CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html

Other references

https://issues.chromium.org/issues/496639647

Weakness type (CWE)

CWE-416

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

Threat summary

Patch or workaround signal is available
4 mentions across 2 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 2 signals
Technical details provided in 4 signals
Disclosure: 4 classified signals
Peaked 1d ago at 3 mentions (2026-05-14); latest day: 1
4 total mentions across 2 days

Affected systems

Vendors

google

Products

chrome

Deep dive

Activity timeline4 mentions / 2d

Signal classification1 categories

Disclosure

4100.0%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-05-14	3	Disclosure3
2026-05-15	1	Disclosure1

Full discourse4 posts

Upwind Security MDR@UpwindMDR146d
Disclosure
🚨 Critical - Google Chrome Mojo Use After Free Sandbox Escape (CVE-2026-8580) A use-after-free vulnerability in the Mojo framework of Google Chrome prior to version 148.0.7778.168 allows a remote attacker to potentially escape the sandbox via a crafted HTML page. Successful exploitation can bypass Chrome’s sandbox protections and lead to higher-privilege code execution on the system. 👉Affected: Google Chrome Desktop < 148.0.7778.168
Post summary
The text announces a use‑after‑free vulnerability (CVE‑2026‑8580) in Chrome’s Mojo framework, explains the risk of sandbox escape and privilege escalation, and advises upgrading to version 148.0.7778.168 or later.
00020115
196 followersView on X
CVE@CVEnew147d
Disclosure
CVE-2026-8580 Use after free in Mojo in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium sec… https://www.cve.org/CVERecord?id=CVE-2026-8580
Post summary
CVE-2026-8580 is a use‑after‑free flaw in Chrome’s Mojo engine that could lead to sandbox escape through a crafted HTML page on affected versions prior to 148.0.7778.168.
00000177
57.5K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds147d
Disclosure
CVE-2026-8580 Use after free in Mojo in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-8580
Post summary
CVE-2026-8580 describes a use‑after‑free in Chrome’s Mojo component that could allow a sandbox escape through a crafted HTML page; while technical details and severity are noted, no patch or exploit code is included.
0000064
4.0K followersView on X
Kaitan ID Security@KaitanSecurity147d
Disclosure
🚨 CRITICAL — CVE-2026-8580 Use after free in Mojo in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sand… CVSS 9.6 🔴 No patch yet Full analysis → https://sec.kaitan.id/cves/CVE-2026-8580 #Google #CyberSecurity #InfoSec
Post summary
A new critical use‑after‑free vulnerability (CVE‑2026‑8580) in Chrome’s Mojo engine has been disclosed with CVSS 9.6; no patch is available yet.
0000089
90 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	google	chrome	-	-	-

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What researchers are saying

CVE-2026-8580

Upwind Security MDR[verified]@UpwindMDRDisclosure

The text announces a use‑after‑free vulnerability (CVE‑2026‑8580) in Chrome’s Mojo framework, explains the risk of sandbox escape and privilege escalation, and advises upgrading to version 148.0.7778.168 or later.

Kaitan ID Security[verified]@KaitanSecurityDisclosure

A new critical use‑after‑free vulnerability (CVE‑2026‑8580) in Chrome’s Mojo engine has been disclosed with CVSS 9.6; no patch is available yet.

CVE@CVEnewDisclosure

CVE-2026-8580 is a use‑after‑free flaw in Chrome’s Mojo engine that could lead to sandbox escape through a crafted HTML page on affected versions prior to 148.0.7778.168.

Vulmon Vulnerability Feed@VulmonFeedsDisclosure

CVE-2026-8580 describes a use‑after‑free in Chrome’s Mojo component that could allow a sandbox escape through a crafted HTML page; while technical details and severity are noted, no patch or exploit code is included.