Security November 2026 Latest record Microsoft 365 Agents SDK Information Disclosure Vulnerability Recorded 10 Nov 2026 at 18:32 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position.
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CVE Microsoft Security Response Center
Microsoft 365 Agents SDK Information Disclosure Vulnerability Server-side request forgery (ssrf) in Microsoft 365 Agents SDK allows an authorized attacker to disclose information over a network.
CVE CVE-2026-109485
Severity Important
CVSS base score 6.3
CVSS vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
Impact Information Disclosure
Exploitation detected No known exploitation (MSRC assessment)
Publicly disclosed No (MSRC assessment)
Exploitability Exploitation Less Likely
Component Microsoft 365 Agents SDK
Weakness CWE-918: Server-Side Request Forgery (SSRF)
Issued by Microsoft
Customer action Required: follow the MSRC remediation guidance
Affected products Microsoft Agent Framework SDK - dotnet
Updates that fix it No KB listed
CISA KEV Not listed in the collected catalog
EPSS No EPSS score collected
Public detection template No Nuclei template listed
Published 10 Nov 2026 08:00 UTC
Last revised 10 Nov 2026 08:00 UTC
Revision note Information published.
Microsoft security releases Complete at observationRead 10 Nov 2026 at 18:30 UTC
CISA KEV Complete at observationRead 10 Nov 2026 at 18:30 UTC
FIRST EPSS Complete at observationRead 10 Nov 2026 at 18:30 UTC
Public detection templates (Nuclei) Complete at observationRead 10 Nov 2026 at 18:30 UTC Coverage describes the sources at this observation. A complete read then does not establish their current position.
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