Quick answers
- Is CVE-2026-32186 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-32186 being exploited in the wild.
- How severe is CVE-2026-32186?
- Critical severity, with a CVSS score of 10, published 3 April 2026.
- Which products and versions are affected?
- Microsoft Bing All versions (Exclusively Hosted Service).
- Is there a fix for CVE-2026-32186?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-32186 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-32186?
- Check whether you run Microsoft Bing at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A Server-Side Request Forgery (SSRF) vulnerability (CWE-918) exists in Microsoft Bing. The flaw allows an unauthenticated attacker to send specially crafted network requests from the Bing server infrastructure. By exploiting this, an attacker can bypass network security controls to access internal resources or metadata services, leading to a full elevation of privilege. The vulnerability is reachable over the network without user interaction and has been assigned a CVSS score of 10.0 due to its potential for total impact on confidentiality, integrity, and availability. As an exclusively hosted service, Microsoft typically manages the remediation on the backend.
Affected products
- Microsoft Bing All versions (Exclusively Hosted Service)
Timeline
- 2026-04-03: disclosed: Initial publication of the vulnerability advisory.
- 2026-04-03: advisory: Microsoft released the security update guide for CVE-2026-32186.