OnlyPatch
Windows Local Security Authority (LSA)

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

Important CVSS 6.5 EPSS 0.01549 2025-06 archive

Executive Summary

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

Overview

6.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Denial of Service
Weakness CWE-476: NULL Pointer Dereference
Released Jun 10 2025
Last Updated Jun 10 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01549 — 0.72483 percentile
NVD CVSS 6.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
None
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 5.7

EPSS Score

0.01549
probability of exploitation in the next 30 days
0.72483 percentile - updated 2026-07-25
View on FIRST.org

Affected Products

25 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5060998 (Security Update) Important Denial of Service Yes
Windows 10 for x64-based Systems 5060998 (Security Update) Important Denial of Service Yes
Windows 10 Version 1607 for 32-bit Systems 5061010 (Security Update) Important Denial of Service Yes
Windows 10 Version 1607 for x64-based Systems 5061010 (Security Update) Important Denial of Service Yes
Windows 10 Version 1809 for 32-bit Systems 5060531 (Security Update) Important Denial of Service Yes
Windows 10 Version 1809 for x64-based Systems 5060531 (Security Update) Important Denial of Service Yes
Windows 10 Version 21H2 for 32-bit Systems 5060533 (Security Update) Important Denial of Service Yes
Windows 10 Version 21H2 for ARM64-based Systems 5060533 (Security Update) Important Denial of Service Yes
Windows 10 Version 21H2 for x64-based Systems 5060533 (Security Update) Important Denial of Service Yes
Windows 10 Version 22H2 for 32-bit Systems 5060533 (Security Update) Important Denial of Service Yes
Windows 10 Version 22H2 for ARM64-based Systems 5060533 (Security Update) Important Denial of Service Yes
Windows 10 Version 22H2 for x64-based Systems 5060533 (Security Update) Important Denial of Service Yes
Windows 11 Version 22H2 for ARM64-based Systems 5060999 (Security Update) Important Denial of Service Yes
Windows 11 Version 22H2 for x64-based Systems 5060999 (Security Update) Important Denial of Service Yes
Windows 11 Version 23H2 for ARM64-based Systems 5060999 (Security Update) Important Denial of Service Yes
Windows 11 Version 23H2 for x64-based Systems 5060999 (Security Update) Important Denial of Service Yes
Windows 11 Version 24H2 for ARM64-based Systems 5060842 (Security Update) 5060841 (SecurityHotpatchUpdate) Important Denial of Service 5058411 5058497 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 10.0.26100.4349 10.0.26100.4270 Yes None Windows 11 Version 24H2 for x64-based Systems 5060842 (Security Update) 5060841 (SecurityHotpatchUpdate) Important Denial of Service 5058411 5058497 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 10.0.26100.4349 10.0.26100.4270 Yes None Windows Server 2008 for 32-bit Systems Service Pack 2 5061026 (Monthly Rollup) 5061072 (Security Only) Important Denial of Service 5058449 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.0.6003.23351 Yes None Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5061026 (Monthly Rollup) 5061072 (Security Only) Important Denial of Service 5058449 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.0.6003.23351 Yes None Windows Server 2008 for x64-based Systems Service Pack 2 5061026 (Monthly Rollup) 5061072 (Security Only) Important Denial of Service 5058449 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.0.6003.23351 Yes None Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5061026 (Monthly Rollup) 5061072 (Security Only) Important Denial of Service 5058449 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.0.6003.23351 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 5061078 (Monthly Rollup) 5061036 (Security Only) Important Denial of Service 5058430 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.1.7601.27769 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5061078 (Monthly Rollup) 5061036 (Security Only) Important Denial of Service 5058430 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 6.1.7601.27769 Yes None Windows Server 2012 5061059 (Monthly Rollup) Important Denial of Service Yes
Windows Server 2012 (Server Core installation) 5061059 (Monthly Rollup) Important Denial of Service Yes
Windows Server 2012 R2 5061018 (Monthly Rollup) Important Denial of Service Yes
Windows Server 2012 R2 (Server Core installation) 5061018 (Monthly Rollup) Important Denial of Service Yes
Windows Server 2016 5061010 (Security Update) Important Denial of Service Yes
Windows Server 2016 (Server Core installation) 5061010 (Security Update) Important Denial of Service Yes
Windows Server 2019 5060531 (Security Update) Important Denial of Service Yes
Windows Server 2019 (Server Core installation) 5060531 (Security Update) Important Denial of Service Yes
Windows Server 2022 5060526 (Security Update) 5060525 (SecurityHotpatchUpdate) Important Denial of Service 5058385 5058500 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 10.0.20348.3807 10.0.20348.3745 Yes None Windows Server 2022 (Server Core installation) 5060526 (Security Update) 5060525 (SecurityHotpatchUpdate) Important Denial of Service 5058385 5058500 Base: 6.5 Temporal: 5.7 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C 10.0.20348.3807 10.0.20348.3745 Yes None Windows Server 2022, 23H2 Edition (Server Core installation) 5060118 (Security Update) Important Denial of Service Yes

Patches

8 patches
Article Type Restart
5060998 Security Update Yes
5061010 Security Update Yes
5060531 Security Update Yes
5060533 Security Update Yes
5060999 Security Update Yes
5061059 Monthly Rollup Yes
5061018 Monthly Rollup Yes
5060118 Security Update Yes

Known Exploits

Acknowledgments

Anonymous

On This Page