CVE-2026-33819 Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network

Description

Deserialization of untrusted data 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-2026-32186 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 CVE-2025-21355 Missing Authentication for Critical Function in Microsoft Bing allows an unauthorized attacker to execute code over a… 8.6 High