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2771 articles · 174988 vulns · 37/41 feeds (7d)
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8.3
CVE-2026-58281EXPLOITEDPATCHED
microsoft · edge

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Description

Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected Products

VendorProductVersions
microsoftedge1.0.0.0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
microsoftedgecert_advisory90%

References

  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58281(vendor-advisory, patch)

Related News (3 articles)

Tier B
BSI Advisories12h ago
[NEU] [hoch] Microsoft Edge: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB2d ago
CVE-2026-58281 | Microsoft Edge up to 149.0.4022.68 deserialization
→ No new info (linked only)
Tier A
Microsoft MSRC2d ago
CVE-2026-58281 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-502
PublishedJul 11, 2026
Last enriched2d agov3
Trending Score63
Source articles3
Independent3
Info Completeness10/14
Missing: epss, kev, iocs, mitre_attack

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HIGHCVE-2026-45659EXPKEV
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HIGHCVE-2026-58525EXP
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Verification

State: verified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jul 11, 2026
Discovered by ZDM
Jul 11, 2026
Updated: description, exploitAvailable, activelyExploited
Jul 11, 2026
Updated: affectedVersions
Jul 11, 2026
Actively Exploited
Jul 13, 2026
Exploit Available
Jul 13, 2026
Patch Available
Jul 13, 2026

Version History

v3
Last enriched 2d ago
v3Tier C2d ago

Updated affected versions to include 149.0.4022.68 and changed severity from HIGH to CRITICAL.

affectedVersions
via VulDB
v2Tier A2d ago

Added a detailed description of the vulnerability and marked it as actively exploited with an exploit available.

descriptionexploitAvailableactivelyExploited
via Microsoft MSRC
v12d ago

Initial creation