VulnSocial

CVE-2026-58286Disclosure(microsoft / edge_chromium)

LOWCVSS 6.9 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft edge_chromium systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-284

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.

  • edge_chromium

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 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 1d ago at 2 mentions (2026-07-04); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
microsoft
Products
edge_chromium

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-07-04: 2Mentions · 2026-07-07: 1Patch / Workaround · 2026-07-07: 1Technical Details · 2026-07-04: 2Technical Details · 2026-07-07: 107-0407-07
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets2 URLs
By indicator
Classification over time
DateTotalLabels
2026-07-042
Disclosure2
2026-07-071
Patch1
Full discourse3 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-58286 Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network. https://www.cve.org/CVERecord?id=CVE-2026-58286

    Post summary

    The tweet briefly announces CVE-2026-58286, noting an improper access control flaw that allows network spoofing, but provides no PoC, exploit, or mitigation details.

    00001758
    57.7K followersView on X
  • DFIR Lab@DFIR_Lab
    Patch

    🚨 HIGH Severity: CVE-2026-58286 affects Microsoft Edge (Chromium-based). CVSS 8.1. Improper access control enables spoofing attacks over network. Patch immediately. #CVE #PatchNow https://t.co/BbF60GoJbt

    Post summary

    High severity vulnerability in Microsoft Edge; immediate patch advised.

    0000048
    66 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-58286 Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network. https://www.cve.org/CVERecord?id=CVE-2026-58286 ----- Traducción: CVE-2026-58286 Control de acceso inapropiado en Microsoft Ed… http://infoflow.cloud`

    Post summary

    The tweet announces the new CVE-2026-58286, describing improper access control in Microsoft Edge that enables spoofing; no active exploitation, PoC, patch or false‑positive information is provided.

    0000042
    91 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftedge_chromium---

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