CVE-2026-69609
Win32k Information Disclosure Vulnerability
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Win32k Information Disclosure Vulnerability
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
- Record
CVE-2026-69609- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-125, CWE-193
- Updated
- 2026-11-02
EUVDEUVD-2026-73025
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
- Record
EUVD-2026-73025- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4gv9-22gm-7ww8
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
- Record
GHSA-4gv9-22gm-7ww8- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
- Record
CVE-2026-69609- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125, CWE-193
- Updated
- 2026-11-02
Affected products
- microsoft office 365 for mac
- microsoft office for android
- microsoft office ltsc for mac 2021
- microsoft office ltsc for mac 2024
- microsoft windows 10 1607
- microsoft windows 10 1809
- microsoft windows 10 21h2
- microsoft windows 10 22h2
- microsoft windows 11 23h2
- microsoft windows 11 24h2
- microsoft windows 11 25h2
- microsoft windows 11 26h1
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-2026-69609 is a medium vulnerability (CVSS 5.5) in Microsoft Office 365 For Mac, published September 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.