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2981 articles · 185100 vulns · 37/41 feeds (7d)
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7.4
CVE-2026-66321PATCHED
Microsoft · Microsoft Edge (Chromium-based)

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Description

Access of resource using incompatible type ('type confusion') 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

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
microsoftedgecert_advisory90%

References

  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66321(vendor-advisory, patch)

Related News (2 articles)

Tier B
BSI Advisories4d ago
[NEU] [hoch] Microsoft Edge: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB5d ago
CVE-2026-66321 | Microsoft Edge up to 150.0.4078.99 type confusion
→ No new info (linked only)
CVSS 3.17.4 HIGH
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
CISA KEV❌ No
Actively exploited❌ No
Patch available
151.0.4129.59
CWECWE-843
PublishedAug 3, 2026
Last enriched5d ago
Trending Score25
Source articles2
Independent2
Info Completeness7/14
Missing: title, description, epss, kev, exploit, iocs, mitre_attack

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CRITICALCVE-2026-50522EXPKEV
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MEDIUMCVE-2026-56164EXPKEV
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HIGHCVE-2026-42897EXPKEV
Microsoft Exchange Server Spoofing Vulnerability
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CRITICALCVE-2026-65667
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Trending: 51
CRITICALCVE-2026-56162
Azure SQL Database Elevation of Privilege Vulnerability
Trending: 51

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Verification

State: verified
Confidence: 0%

Vulnerability Timeline

CVE Published
Aug 3, 2026
Discovered by ZDM
Aug 3, 2026
Patch Available
Aug 5, 2026