What’s Vulnerable › Vulnerabilities

CVE-2021-33753: Microsoft Bing Search Spoofing Vulnerability

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-14 · updated 2026-08-10

Description

Microsoft Bing Search Spoofing Vulnerability

Affected products

• Microsoft Bing: all versions
• Microsoft Bing: all versions

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33753
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33753

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