CVE-2026-70281
Microsoft Office Outlook Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Outlook 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
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Office Outlook Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-70281- 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/E:U/RL:O/RC:C - Weakness
- CWE-125
- Updated
- 2026-11-10
EUVDEUVD-2026-100168
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.
- Record
EUVD-2026-100168- 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/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-57qj-mxxc-839h
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose...
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.
- Record
GHSA-57qj-mxxc-839h- 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-125
- Updated
- 2026-11-02
NVD
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-70281- 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-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-70281 is a high vulnerability (CVSS 7.5) in Microsoft 365 Apps, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. No source names a fixed version.