CVE-2026-11303Disclosure(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 PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Low)

1.5/ 10 priority

Sources & remediation

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
  • linux_kernel
  • macos
  • windows

Threat summary

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

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-06-05); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Products
chromelinux_kernelmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-06-05: 1Mentions · 2026-06-09: 1Patch / Workaround · 2026-06-09: 1Technical Details · 2026-06-05: 1Technical Details · 2026-06-09: 106-0506-09
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets1 URL
By indicator
Classification over time
DateTotalLabels
2026-06-051
Disclosure1
2026-06-091
Patch1
Full discourse2 posts
  • DFIR Lab@DFIR_Lab
    Patch

    🚨 HIGH: CVE-2026-11303 (CVSS 8.8) - Use-after-free in Chrome PDFium enables remote code execution via crafted PDF. Affects Chrome <149.0.7827.53. Update immediately. #CVE #PatchNow #ThreatIntel https://t.co/lWq3yN1SPB

    Post summary

    A high‑severity CVE (CVE-2026-11303) affecting Chrome PDFium with a use‑after‑free flaw enabling RCE is disclosed, and users are urged to apply the available patch immediately.

    0000051
    44 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-11303 Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromiu… https://www.cve.org/CVERecord?id=CVE-2026-11303

    Post summary

    The text announces CVE‑2026‑11303, detailing a use‑after‑free flaw in Chrome’s PDFium engine that could let remote attackers run arbitrary code from a crafted PDF.

    00000195
    57.6K followersView on X
CPE platform detail4 entries

4 of 4 entries

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

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