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Excel CVE-2025-48812

| EUVDEUVD-2025-20629 MEDIUM
Out-of-bounds Read (CWE-125)
2025-07-08 secure@microsoft.com
Microsoft Information Disclosure Buffer Overflow Excel 365 Apps Office Online Server Office Office Long Term Servicing Channel
5.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Patch available
Apr 16, 2026 - 05:29 EUVD
16.99.25071321,16.0.10417.20027,16.0.5508.1001
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20629
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
CVE Published
Jul 08, 2025 - 17:15 nvd
MEDIUM 5.5

DescriptionCVE.org

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Analysis

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Technical ContextAI

An out-of-bounds memory access occurs when code reads from or writes to memory locations outside the intended buffer boundaries. This vulnerability is classified as Out-of-bounds Read (CWE-125).

RemediationAI

Implement proper bounds checking on all array and buffer accesses. Use memory-safe languages or static analysis tools to detect OOB issues.

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CVE-2025-48812 vulnerability details – vuln.today
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