CVE-2025-33057 Windows Local Security Authority (LSA) Denial of Service Vulnerability

Medium 6.5 Published Updated

An authorized attacker can cause a denial of service in Windows Local Security Authority via a null pointer dereference.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-33057?

CVE-2025-33057 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 10 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Null pointer dereference in Windows Local Security Authority (LSA) allows an authorized attacker to deny service over a network.

Weakness: CWE-476

Which versions are affected by CVE-2025-33057?

It affects 15 products.

Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.

How do I fix CVE-2025-33057?

No fix has been published for CVE-2025-33057 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-33057 being exploited?

There is no known exploitation of CVE-2025-33057 in the wild and no public exploit code.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-q57w-gqgq-cx44.

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