CVE-2026-33819
Critical
Description
Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
SeverityCritical
CVSS10.0
Exploit probability—
Product
Microsoft Bing
PublishedApr 23, 2026
First seenApr 23, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft bing | No range specified | — |
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