CVE tracker / CVE-2026-69723

CVE-2026-69723

CVE-2026-69723 is the Windows Kernel Information Disclosure Vulnerability. Microsoft rates it Important, CVSS 5.7. It is not in CISA's Known Exploited Vulnerabilities catalog. Published September 8, 2026.

Risk summary

MediumInformation Disclosure
5.7
CVSS v3 base
0.9%
EPSS: chance of exploitation in 30 days
Medium
Severity
Important
Microsoft's rating
More Likely
Microsoft: exploitation
No
In CISA KEV

Microsoft describes it: “Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information over a network.”

How to fix it

Microsoft lists 30 affected products and the update that fixes each:

What Microsoft changed

Details

Weakness
CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere
Publicly disclosed (Microsoft)
No
Exploited (Microsoft)
No
Known exploited (CISA KEV)
Not listed
Published
September 8, 2026
Last revised
September 8, 2026

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References

Microsoft Security Update Guide NVD CVE record CWE

From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.