HIGHCVSS 7.5

CVE-2026-40378

CVE-2026-40378 updated by NVD

Modified: 2026-07-24
Sources: nvd

Summary

Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-40378

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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