CVE-2026-69675 — Windows Network File System Information Disclosure Vulnerability

Executive Summary

Out-of-bounds read in Windows Network File System allows an authorized attacker to disclose information locally.

Overview

5.5

CVSS MEDIUM

Important

MS Severity

Not Exploited

MS Exploit Status

Exploitation Unlikely

MS Exploit Likelihood

Category Information Disclosure

Weakness CWE-125: Out-of-bounds Read

Released Oct 13 2026

Last Updated Oct 13 2026

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

CVSS Vector

ATTACK VECTOR

Local

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

Low

USER INTERACTION

None

SCOPE

Unchanged

CONFIDENTIALITY

High

INTEGRITY

None

AVAILABILITY

None

EXPLOIT CODE MATURITY

Unproven

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 4.8

EPSS Score

No EPSS score available for this CVE.

View on FIRST.org

Affected Products

12 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows Server 2012	`5126835 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2012 (Server Core installation)	`5126835 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2012 R2	`5126836 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2012 R2 (Server Core installation)	`5126836 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2016	`5126868 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2016 (Server Core installation)	`5126868 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2019	`5126651 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2019 (Server Core installation)	`5126651 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2022	`5126655 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2022 (Server Core installation)	`5126655 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2025	`5126646 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2025 (Server Core installation)	`5126646 (Security Update)`	Important	Information Disclosure	Yes

Patches

6 patches

Article	Type	Restart
`5126835`	Security Update	Yes
`5126836`	Security Update	Yes
`5126868`	Security Update	Yes
`5126651`	Security Update	Yes
`5126655`	Security Update	Yes
`5126646`	Security Update	Yes

Exploits & PoC

No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.

Detection Rules

No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.

Acknowledgments

0ccbbf129444eb66344ccafb92b00df4
Pwnforr777
3072

References

MSRC Advisory MITRE NVD