CVE-2026-70105
Microsoft Word Information Disclosure Vulnerability
Improper input validation 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 Word Information Disclosure Vulnerability
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-70105- 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-20
- Updated
- 2026-11-02
EUVDEUVD-2026-63617
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- Record
EUVD-2026-63617- 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-r6q7-c86h-xxvp
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose...
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- Record
GHSA-r6q7-c86h-xxvp- 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-20
- Updated
- 2026-11-02
NVD
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-70105- 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 - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
- microsoft office
- microsoft word
- microsoft 365 apps for enterprise
- 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
- microsoft office 2021
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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-2026-70105 is a medium vulnerability (CVSS 6.5) in Microsoft Office, published August 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.