High severity · published Oct 29, 2026
CVE-2026-96187
Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
New
7.4
CVSS
–
EPSS
No
On KEV
Description
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Microsoft Edge (Chromium-based) · Microsoft
1.0.0.0 before 155.0.4283.45 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96187
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96187
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96187
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