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3225 articles · 170368 vulns · 37/41 feeds (7d)
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8.3
CVE-2026-50521EXPLOITEDPATCHED
microsoft · edge_chromium

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Description

Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

Affected Products

VendorProductVersions
microsoftedge_chromium1.0.0.0

References

  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50521(vendor-advisory, patch)

Related News (2 articles)

Tier A
Microsoft MSRC1d ago
CVE-2026-50521 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
→ No new info (linked only)
Tier C
VulDB1d ago
CVE-2026-50521 | Microsoft Edge up to 148.0.3967.70 use after free
→ No new info (linked only)
CVSS 3.18.3 HIGH
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
149.0.4022.68
CWECWE-416
PublishedJul 1, 2026
Last enriched1d agov2
Trending Score53
Source articles2
Independent2
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jul 1, 2026
Discovered by ZDM
Jul 1, 2026
Updated: severity, affectedVersions, activelyExploited
Jul 1, 2026
Actively Exploited
Jul 3, 2026
Patch Available
Jul 3, 2026

Version History

v2
Last enriched 1d ago
v2Tier C1d ago

Updated severity to CRITICAL, added affected version 148.0.3967.70, and noted that no exploit is available.

severityaffectedVersionsactivelyExploited
via VulDB
v12d ago

Initial creation