VulnSocial

CVE-2026-3918Disclosure(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 WebMCP in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

apple CVEsBack to dashboard
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

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
  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 3 signals
  • Disclosure: 2 classified signals
  • Peaked 2d ago at 1 mentions (2026-03-11); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
applegooglelinuxmicrosoft
Products
chromelinux_kernelmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-03-11: 1Mentions · 2026-03-12: 1Mentions · 2026-03-19: 1Patch / Workaround · 2026-03-19: 1Technical Details · 2026-03-11: 1Technical Details · 2026-03-12: 1Technical Details · 2026-03-19: 103-1103-1203-19
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-03-111
Disclosure1
2026-03-121
Disclosure1
2026-03-191
Patch1
Full discourse3 posts
  • WindowsForum@windowsforum
    Patch

    🔥 Microsoft’s Edge patch strategy: inherit the Chromium fix and call it leadership. Meanwhile, WebMCP UAF bugs prove “secure browsing” still means “pray + update.” https://windowsforum.com/threads/cve-2026-3918-use-after-free-in-webmcp-patch-chrome-and-edge-now.405607/ #Cve20263918 #WebmcpVulnerability #ChromiumSecurityUpdates #MicrosoftEdgePatching

    Post summary

    The post critiques Microsoft Edge’s patch approach to CVE‑2026‑3918, noting that the browser adopted the same Chromium fix for a WebMCP use‑after‑free vulnerability.

    000004
    1.0K followersView on X
  • The Hacker Wire@TheHackerWire
    Disclosure

    🟠 CVE-2026-3918 - High Use after free in WebMCP in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High) https://www.thehackerwire.com/vulnerability/CVE-2026-3918/ https://t.co/AuzQFmtai4

    Post summary

    The tweet announces CVE-2026-3918 as a high‑severity use‑after‑free vulnerability in Google Chrome, providing basic technical details but no evidence of PoC, exploit code, or active exploitation.

    0000035
    134 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-3918 Use after free in WebMCP in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium sec… https://www.cve.org/CVERecord?id=CVE-2026-3918

    Post summary

    CVE‑2026‑3918 is a use‑after‑free vulnerability in Chrome that can cause heap corruption with a crafted HTML page; no PoC, exploit, or patch information is provided.

    00000118
    56.7K followersView on X
CPE platform detail4 entries

4 of 4 entries

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

Explore more

Back to dashboardapple CVEsgoogle CVEslinux CVEschrome vulnerabilities