CVE-2026-47655: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Microsoft Graph
CVE-2026-47655 is a vulnerability in Microsoft Graph that allows an authorized attacker to expose sensitive information to unauthorized actors over a network. The vulnerability is classified under CWE-200, indicating exposure of sensitive information. It has a CVSS 3. 1 base score of 6. 5, reflecting a medium severity level. An official fix is available from Microsoft to address this issue. There are no known exploits in the wild at this time. The vulnerability does not affect a cloud service, so remediation requires applying the official patch. No specific affected countries are identified.
AI Analysis
Technical Summary
This vulnerability in Microsoft Graph involves the exposure of sensitive information to unauthorized actors by an authorized attacker over a network. It is categorized as CWE-200 (Exposure of Sensitive Information). The CVSS 3.1 vector indicates network attack vector, low attack complexity, privileges required, no user interaction, unchanged scope, high confidentiality impact, and no integrity or availability impact. Microsoft has released an official fix to remediate this issue. No known exploits have been reported. The vulnerability is not related to a cloud service, so patching must be performed by the user or administrator.
Potential Impact
An authorized attacker can disclose sensitive information over the network that should otherwise be protected. The confidentiality impact is high, but integrity and availability are not affected. This could lead to unauthorized data disclosure within environments using Microsoft Graph if unpatched.
Mitigation Recommendations
An official fix is available from Microsoft and should be applied promptly to remediate this vulnerability. Since this is not a cloud service vulnerability, administrators must deploy the patch to affected systems. There are no indications that no action is required or that the issue is already mitigated without patching.
CVE-2026-47655: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Microsoft Graph
Description
CVE-2026-47655 is a vulnerability in Microsoft Graph that allows an authorized attacker to expose sensitive information to unauthorized actors over a network. The vulnerability is classified under CWE-200, indicating exposure of sensitive information. It has a CVSS 3. 1 base score of 6. 5, reflecting a medium severity level. An official fix is available from Microsoft to address this issue. There are no known exploits in the wild at this time. The vulnerability does not affect a cloud service, so remediation requires applying the official patch. No specific affected countries are identified.
CVSS v3.1
Score 6.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Microsoft Graph involves the exposure of sensitive information to unauthorized actors by an authorized attacker over a network. It is categorized as CWE-200 (Exposure of Sensitive Information). The CVSS 3.1 vector indicates network attack vector, low attack complexity, privileges required, no user interaction, unchanged scope, high confidentiality impact, and no integrity or availability impact. Microsoft has released an official fix to remediate this issue. No known exploits have been reported. The vulnerability is not related to a cloud service, so patching must be performed by the user or administrator.
Potential Impact
An authorized attacker can disclose sensitive information over the network that should otherwise be protected. The confidentiality impact is high, but integrity and availability are not affected. This could lead to unauthorized data disclosure within environments using Microsoft Graph if unpatched.
Mitigation Recommendations
An official fix is available from Microsoft and should be applied promptly to remediate this vulnerability. Since this is not a cloud service vulnerability, administrators must deploy the patch to affected systems. There are no indications that no action is required or that the issue is already mitigated without patching.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-19T20:12:27.071Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47655","vendor":"Microsoft"}]
Threat ID: 6a2200c5e29bf47b50d9ecea
Added to database: 6/4/2026, 10:48:37 PM
Last enriched: 6/4/2026, 11:04:08 PM
Last updated: 6/4/2026, 11:56:32 PM
Views: 6
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