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3260 articles · 170413 vulns · 37/41 feeds (7d)
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8.3
CVE-2026-58284EXPLOITEDPATCHED
Microsoft · Microsoft Edge (Chromium-based)

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Description

Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected Products

VendorProductVersions
MicrosoftMicrosoft Edge (Chromium-based)1.0.0.0

References

  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58284(vendor-advisory, patch)

Related News (1 articles)

Tier A
Microsoft MSRC9h ago
CVE-2026-58284 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
→ No new info (linked only)
CVSS 3.18.3 HIGH
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
150.0.4078.48
CWECWE-285
PublishedJul 3, 2026
Last enriched2h agov2
Trending Score56
Source articles1
Independent1
Info Completeness9/14
Missing: title, epss, kev, iocs, mitre_attack

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Verification

State: verified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jul 3, 2026
Discovered by ZDM
Jul 3, 2026
Updated: description, exploitAvailable, activelyExploited
Jul 3, 2026
Actively Exploited
Jul 3, 2026
Exploit Available
Jul 3, 2026
Patch Available
Jul 3, 2026

Version History

v2
Last enriched 2h ago
v2Tier A2h ago

Updated description with details on improper authorization and marked the vulnerability as actively exploited with an exploit available.

descriptionexploitAvailableactivelyExploited
via Microsoft MSRC
v12h ago

Initial creation