EUVD-2025-20561
2025-07-08
[email protected]
8.4
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20561
CVE Published
Jul 08, 2025 - 17:15 nvd
HIGH 8.4
Tags
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Analysis
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Technical Context
A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Heap-based Buffer Overflow (CWE-122).
Affected Products
Affected products: Microsoft 365 Apps -, Microsoft Office -
Remediation
Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.
Priority Score
42
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +42
POC: 0
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External POC / Exploit Code
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