What is CVE-2026-32186?

CVE-2026-32186 is a critical-severity vulnerability in Microsoft Bing, classified under Server-Side Request Forgery (SSRF). CVSS score: 10.0/10. Published 2026-04-03.

How severe is CVE-2026-32186?

Critical severity. CVSS v3 base score is 10.0 out of 10.

SSRF in Microsoft Bing

CVE-2026-32186

Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a network.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-04-03 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.009 · change: +0.002

Affected products

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

Microsoft Bing Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-32186?: CVE-2026-32186 is a critical-severity vulnerability in Microsoft Bing, classified under Server-Side Request Forgery (SSRF). CVSS score: 10.0/10. Published 2026-04-03.
How severe is CVE-2026-32186?: Critical severity. CVSS v3 base score is 10.0 out of 10.