CVE-2026-57084
Windows File Explorer Information Disclosure Vulnerability
Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- 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
Windows File Explorer Information Disclosure Vulnerability
Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.
- Record
CVE-2026-57084- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-908
- Updated
- 2026-11-02
EUVDEUVD-2026-44263
Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.
- Record
EUVD-2026-44263- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/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-q3w6-43fx-586m
Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to...
Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.
- Record
GHSA-q3w6-43fx-586m- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-908
- Updated
- 2026-11-02
NVD
Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally.
- Record
CVE-2026-57084- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-908
- 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 24h2
- microsoft windows 11 25h2
- microsoft windows 11 26h1
- microsoft windows server 2012
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-2026-57084 is a medium vulnerability (CVSS 5.5) in Microsoft Office 365 For Mac, published July 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.