EUVD-2026-29686
Improper Access Control (CWE-284)
GHSA-6gm9-cppw-hvx5
4.4
CVSS 3.1 · NVD
Temporal: 3.9
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Severity by source
NVD
PRIMARY
4.4
MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CIRCL (temporal)
3.9
LOW
cvss
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Lifecycle Timeline
1
CVE Published
May 12, 2026 - 16:58 nvd
MEDIUM 4.4
DescriptionCVE.org
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
Analysis
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
CVE-2026-48561
CRITICAL
9.6
Jul 14
Remote code execution in the Microsoft 365 Copilot mobile apps for Android and iOS lets an unauthenticated attacker run
CVE-2026-26133
HIGH
7.1
Mar 13
CVE-2026-26133 is an AI command injection vulnerability in Microsoft 365 Copilot and multiple Microsoft mobile/desktop a
Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).