CVE-2026-32186
Microsoft Bing has a critical server‑side request forgery flaw that lets an attacker send requests from the server to internal resources. The vulnerability can be triggered without authentication and can be used to access or modify data on the network. It is rated CVSS 10 because it allows complete compromise with no user interaction.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
Microsoft Bing (all versions)
Real-world impact
An attacker could use the flaw to make Bing’s server reach internal services, read or modify sensitive data, or execute commands on the network, effectively taking over the server.
Why this severity
The CVSS score is 10 because the flaw has no authentication or user interaction requirements, gives full control over the system, and can be exploited remotely.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources
Timeline
- Apr 3, 2026 · Apr 3, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 24, 2026 · 11d agoAdvisory updatedThe NVD record was last revised.
How it’s attacked
References & advisories
- msrc.microsoft.com/update-guide/vulnerability/…vendor advisory