CVE-2026-69734
Microsoft Office Word Information Disclosure Vulnerability
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Office Word Information Disclosure Vulnerability
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-69734- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-190, CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2026-73153
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- Record
EUVD-2026-73153- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qvgr-2qcg-3rc3
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to...
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- Record
GHSA-qvgr-2qcg-3rc3- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-69734- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-125, CWE-190
- Updated
- 2026-11-02
Affected products
- microsoft word
- microsoft 365 apps
- microsoft 365 apps for enterprise
- microsoft office 2016
- microsoft office 2019
- microsoft office 365 for mac
- microsoft office ltsc 2021
- microsoft office ltsc 2024
- microsoft office ltsc for mac 2021
- microsoft office ltsc for mac 2024
- microsoft word 2016
- microsoft 365
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History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-69734 is a medium vulnerability (CVSS 6.5) in Microsoft Word, published September 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.