CVE-2025-21355 Missing Authentication for Critical Function in Microsoft Bing allows an unauthorized attacker to execute code over a…

Description

Missing Authentication for Critical Function in Microsoft Bing allows an unauthorized attacker to execute code over a network

Affected products and versions

Product	Affected versions	Fixed in
Microsoft Bing	Versions not published

Other CVEs of Microsoft Bing

The 4 CVEs of Microsoft Bing →

CVE-2026-33819 Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network 10.0 Critical CVE-2026-32186 Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a… 10.0 Critical CVE-2026-26120 Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to perform tampering over a network 6.5 Medium