CVE-2026-33819

Microsoft Bing Remote Code Execution Vulnerability

State
Published
Severity
10.0 Critical
Published
Apr 23, 2026
Updated
Oct 15, 2026
Reserved
Mar 24, 2026

Read the record on cve.org

Description

Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.

Scores

CVSSScoreVectorSource
3.110.0 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-502 Deserialization of Untrusted Data

Affected Products

ProductVersions
Microsoft BingMicrosoft
  • -Affected

References

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