VulnSocial

CVE-2026-5866Disclosure(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

Use after free in Media in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

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1.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

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
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
applegooglelinuxmicrosoft
Products
chromelinux_kernelmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-09: 1Patch / Workaround · 2026-04-09: 1Technical Details · 2026-04-09: 104-09
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • White Rabbitx 🏴‍☠️@TheRabbitPy
    Disclosure

    ⚡CVE-2026-5866 – Chrome Media use-after-free (High): UAF in the media pipeline means crafted media content can trigger memory corruption and arbitrary code execution. Fixed in 147. https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html #CVE20265866 #Chrome #Media #UseAfterFree #AppSec #ThreatIntel

    Post summary

    The post announces a high‑severity use‑after‑free bug in Chrome’s media pipeline (CVE‑2026‑5866) that allows memory corruption and arbitrary code execution, with a fix shipped in version 147 and no evidence of an active exploit or PoC.

    2003044
    1.5K followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
OSapplemacos---
Appgooglechrome---
OSlinuxlinux_kernel---
OSmicrosoftwindows---

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