CVE-2026-58289

critical Microsoft
CVSS v3 Base Score
9.0
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.5%
Exploitation probability in 30 days
Top 59% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: July 3, 2026 (6 days ago)
Last Modified: July 7, 2026
Vendor: Microsoft
Source: MITRE

Description

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

CWE

CWE-843

Affected Products

Microsoft Microsoft Edge (Chromium-based)

References

🔗 msrc.microsoft.com