CVE-2026-33819
CRITICALMicrosoft Bing Remote Code Execution Vulnerability
Title source: cnaDescription
Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
Microsoft Bing Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33819
Scores
CVSS v3
10.0
EPSS
0.0084
EPSS Percentile
52.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-502
Status
published
Products (2)
microsoft/bing
Microsoft/Microsoft Bing
-
Published
Apr 23, 2026
Tracked Since
Apr 24, 2026