Description
Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.
Published: 2026-10-22
Score: 7.5 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Description Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.
Title Microsoft Exchange Online Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft exchange Online
Weaknesses CWE-121
CPEs cpe:2.3:a:microsoft:exchange_online:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft exchange Online
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Microsoft Exchange Online
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-22T23:04:30.705Z

Reserved: 2026-09-22T18:48:47.471Z

Link: CVE-2026-96185

cve-icon Vulnrichment

Updated: 2026-10-22T23:04:27.111Z

cve-icon NVD

Status : Received

Published: 2026-10-22T22:19:53.850

Modified: 2026-10-22T23:20:35.413

Link: CVE-2026-96185

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T06:00:12Z

Weaknesses
  • CWE-121

    Stack-based Buffer Overflow