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CVE-2026-32186: CWE-918: Server-Side Request Forgery (SSRF) in Microsoft Microsoft Bing

0
Critical
VulnerabilityCVE-2026-32186cvecve-2026-32186cwe-918
Published: 04/03/2026 (04/03/2026, 17:22:45 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Microsoft Bing

Description

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

CVSS v3.1

Score 10.0critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected software

Microsoft

Microsoft Bing

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/15/2026, 14:05:48 UTC

Technical Analysis

This vulnerability, identified as CWE-918, involves server-side request forgery in Microsoft Bing. It enables an attacker without privileges to perform unauthorized network requests, potentially leading to privilege escalation. The CVSS vector indicates the attack can be performed remotely over the network with low attack complexity, no privileges required, and no user interaction. The impact is critical, affecting confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.

Potential Impact

The vulnerability allows an attacker to elevate privileges over a network, which can lead to full compromise of affected systems or data. The CVSS score of 10 reflects critical impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.

Mitigation Recommendations

An official fix is available from Microsoft. Users and administrators should apply the patch provided in the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32186 to remediate this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-03-11T00:26:53.426Z
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32186","vendor":"Microsoft"}]

Threat ID: 69cffcbb0a160ebd9249119e

Added to database: 04/03/2026, 17:45:31 UTC

Last enriched: 08/15/2026, 14:05:48 UTC

Last updated: 09/13/2026, 10:01:30 UTC

Views: 291

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