EUVD-2026-29647
Insufficient Granularity of Access Control (CWE-1220)
GHSA-hgxw-5xv9-c3cc
8.8
CVSS 3.1 · NVD
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Severity by source
NVD
PRIMARY
8.8
HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
ENISA EUVD
HIGH
qualitative
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
1
CVE Published
May 12, 2026 - 16:59 nvd
HIGH 8.8
DescriptionCVE.org
Insufficient granularity of access control in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Articles & Coverage 1
Analysis
Insufficient granularity of access control in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Same technique Information Disclosure
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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).