Summary
Impact: Spoofing. Microsoft rating: Low. Not known to be exploited. Customer action: Required.
Details
According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L),but lead to no loss of availability (A:N) and integrity (I:N)? What does that mean for this vulnerability?
An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality) but not all resources within the impacted component may be divulged to the attacker. The attacker cannot make changes to disclosed information (Integrity) or limit access to the resource (Availability).
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
An attacker would have to send the victim a malicious file that the victim would have to execute.
What is the version information for this release?
147.0.3912.60: 147.0.3912.60, 04/10/2026: 04/10/2026, 147.0.7727.55/.56: 147.0.7727.55/.56
Security updates
147.0.3912.60 — https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
Vulnerabilities 1
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Medium 4.3
Microsoft Edge (Chromium-based) Spoofing Vulnerability
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Revision history
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#3
Updated an acknowledgement. This is an informational change only.
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#2
Updated an acknowledgement. This is an informational change only.
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#1
Information published.
References
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CVE-2026-33118 Microsoft Edge (Chromium-based) Spoofing Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33118
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss