Information disclosure via out-of-bounds read
Published Oct 13, 2026 · Updated Oct 13, 2026
Out-of-bounds read in Microsoft Office Word allows remote attackers to disclose information over a network with user interaction. The public record does not identify the affected function, input format, or bounds-check failure. Affected Windows and Mac desktop editions require no attacker authentication; the disclosed impact is limited to information exposure.
Summary
What happened
Out-of-bounds read in Microsoft Office Word allows remote attackers to disclose information over a network with user interaction. The public record does not identify the affected function, input format, or bounds-check failure. Affected Windows and Mac desktop editions require no attacker authentication; the disclosed impact is limited to information exposure.
The record
- CVE
- CVE-2026-88169
- Published
- Oct 13, 2026
- Updated
- Oct 13, 2026
- Vendor
- Microsoft Corporation
- Product
- Microsoft Office LTSC for Mac 2024
- Classifications
- CWE-125
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Oct 13, 2026CVE publishedPublication date reported by the CVE source.
- Oct 13, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=16.0.0 <publication
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Activity data is delayed. The latest report is Sep 28, 2026.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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