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Vulnerability Assessment

Weakness
CWE
CWE-476
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

Typically causes application crash (denial of service). In some cases, may be exploitable for code execution on systems without memory protection. With a CVSS score of 6.5 (MEDIUM), this represents a moderate risk.
Exploit ScenarioDerived

An attacker provides input that causes a code path where a pointer is dereferenced without a prior NULL check, crashing the application.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 2.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 14, 2026

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

Earlier versions of this analysis (1)
v1 Mar 14, 2026 - 19:49 CVSS 6.5

RemediationAI

Add NULL checks before pointer dereference operations. Use static analysis to identify potential NULL pointer issues. Enable compiler warnings.

Affected VersionsENISA

Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 <10.0.25398.1665
Windows 11 Version 24H2 10.0.26100.0 <10.0.26100.4349
Windows Server 2012 6.2.9200.0 <6.2.9200.25522
Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.25522
Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 <6.1.7601.27769
Windows 11 version 22H3 10.0.22631.0 <10.0.22631.5472
Windows Server 2019 10.0.17763.0 <10.0.17763.7434
Windows Server 2022 10.0.20348.0 <10.0.20348.3807
Windows 11 version 22H2 10.0.22621.0 <10.0.22621.5472
Windows Server 2012 R2 6.3.9600.0 <6.3.9600.22620
Windows 10 Version 1607 10.0.14393.0 <10.0.14393.8148
Windows Server 2016 10.0.14393.0 <10.0.14393.8148
Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 <6.0.6003.23351
Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.5965
Windows 10 Version 1809 10.0.17763.0 <10.0.17763.7434
Windows Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.23351
Windows 10 Version 1507 10.0.10240.0 <10.0.10240.21034
Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.8148
Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 <6.3.9600.22620
Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.7434
Windows 10 Version 22H2 10.0.19045.0 <10.0.19045.5965
Windows 11 Version 23H2 10.0.22631.0 <10.0.22631.5472
Windows Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.23351
Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.4349
Windows Server 2008 R2 Service Pack 1 6.1.7601.0 <6.1.7601.27769
Windows Server 2025 10.0.26100.0 <10.0.26100.4349

Affected Packages

euvd windows_10_version_1507 fix: 10.0.10240.21034
euvd windows_10_version_1607 fix: 10.0.14393.8148
euvd windows_10_version_1809 fix: 10.0.17763.7434
euvd windows_10_version_21h2 fix: 10.0.19044.5965
euvd windows_10_version_22h2 fix: 10.0.19045.5965
euvd windows_11_version_22h2 fix: 10.0.22621.5472
euvd windows_11_version_22h3 fix: 10.0.22631.5472
euvd windows_11_version_23h2 fix: 10.0.22631.5472
euvd windows_11_version_24h2 fix: 10.0.26100.4349
euvd windows_server_2008_r2_service_pack_1 fix: 6.1.7601.27769
euvd windows_server_2008_r2_service_pack_1_server_core_installation fix: 6.1.7601.27769
euvd windows_server_2008_service_pack_2 fix: 6.0.6003.23351
euvd windows_server_2008_service_pack_2_server_core_installation fix: 6.0.6003.23351
euvd windows_server_2012 fix: 6.2.9200.25522
euvd windows_server_2012_r2 fix: 6.3.9600.22620
euvd windows_server_2012_r2_server_core_installation fix: 6.3.9600.22620
euvd windows_server_2012_server_core_installation fix: 6.2.9200.25522
euvd windows_server_2016 fix: 10.0.14393.8148
euvd windows_server_2016_server_core_installation fix: 10.0.14393.8148
euvd windows_server_2019 fix: 10.0.17763.7434
euvd windows_server_2019_server_core_installation fix: 10.0.17763.7434
euvd windows_server_2022 fix: 10.0.20348.3807
euvd windows_server_2022_23h2_edition_server_core_installation fix: 10.0.25398.1665
euvd windows_server_2025 fix: 10.0.26100.4349
euvd windows_server_2025_server_core_installation fix: 10.0.26100.4349

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 25 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

A NULL pointer dereference occurs when the application attempts to use a pointer that has not been initialized or has been set to NULL.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Patch available
Apr 16, 2026 - 05:29 EUVD
10.0.25398.1665,10.0.26100.4349,6.2.9200.25522
CVE Published
Jun 10, 2025 - 17:22 nvd
MEDIUM 6.5

Executive ViewAI

Why It Matters

CVE-2025-33057 presents notable security risk, a null pointer dereference vulnerability rated CVSS 6.5. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Moderate
Compensating Controls

Apply vendor patch. If patching is delayed: enable ASLR/DEP, apply network segmentation.

Threat Intelligence Overview

EPSS Score
2.2%
Top 16% exploitable
Data Quality
4 sources
Confidence: Medium
EUVD NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 2.2%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Null Pointer Dereference MEDIUM

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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Same weakness CWE-476 – NULL Pointer Dereference

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Same technique Denial Of Service

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References

Advisories & patches
ADVISORY https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33057 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-33057

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