VulnSocial

CVE-2026-55945(microsoft / edge_chromium)

LOWCVSS 4.2 · MEDIUM

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-362

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

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

  • edge_chromium

Affected systems

Vendors
microsoft
Products
edge_chromium

Deep dive

Full discourse1 post
  • ethereagle · building@ethereaglehq

    BragJack: one ordinary extension commanded Claude in Chrome, Gemini Live, Edge, Comet, and Opera Neon. Forever Security took over the page the agent body already trusts, then sent it orders. Chrome got CVE-2026-0628. Edge got CVE-2026-55945. Comet, Neon, and Claude in Chrome have no CVE in their table. if you run those agents, check chrome://extensions for declarativeNetRequest you didn't mean to grant.

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CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftedge_chromium---

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