What’s Vulnerable › Vulnerabilities

CVE-2026-45650: Microsoft Bing Search Spoofing Vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-09 · updated 2026-09-24
• Weakness: CWE-451

Description

User interface (ui) misrepresentation of critical information in Microsoft Bing allows an unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft Bing: before 33.3 — fixed in 33.3
• Microsoft Bing: from 1.0.0 before 33.3 — fixed in 33.3

How to fix

Upgrade to a fixed version: Microsoft Bing 33.3; Microsoft Bing 33.3. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45650

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