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

CVE-2025-33057

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

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

MEDIUM · CVSS 6.5 EPSS 0.07072
Monitor
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
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Weakness Classification

CWE-476NULL Pointer Dereference
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Affected Products & Versions

15
microsoft windows 10 1507< 10.0.10240.21034
microsoft windows 10 1607< 10.0.14393.8148
microsoft windows 10 1809< 10.0.17763.7434
microsoft windows 10 21h2< 10.0.19044.5965
microsoft windows 10 22h2< 10.0.19045.5965
microsoft windows 11 22h2< 10.0.22621.5472
microsoft windows 11 23h2< 10.0.22631.5472
microsoft windows 11 24h2< 10.0.26100.4270
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Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Jun 2025 · 05:22 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
msrcCVE-2025-33057Denial of Service
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