CVE tracker / CVE-2026-62902

CVE-2026-62902

CVE-2026-62902 is the .NET Information Disclosure Vulnerability. Microsoft rates it Important, CVSS 6.5. It is not in CISA's Known Exploited Vulnerabilities catalog. Published August 11, 2026.

Risk summary

MediumInformation Disclosure
6.5
CVSS v3 base
0.9%
EPSS: chance of exploitation in 30 days
Medium
Severity
Important
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV

Microsoft describes it: “Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.”

How to fix it

Microsoft lists 4 affected products and the update that fixes each:

What Microsoft changed

Details

Weakness
CWE-829: Inclusion of Functionality from Untrusted Control Sphere
Publicly disclosed (Microsoft)
No
Exploited (Microsoft)
No
Known exploited (CISA KEV)
Not listed
Published
August 11, 2026
Last revised
August 13, 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.