OnlyFm252
Windows Win32K

CVE-2023-36776 — Win32k Elevation of Privilege Vulnerability

Important CVSS 7 EPSS 0.02445 2023-10 archive

Executive Summary

None

Overview

7
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Oct 10 2023
Last Updated Oct 10 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.02445 — 0.82217 percentile
NVD CVSS 7 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.1

EPSS Score

0.02445
probability of exploitation in the next 30 days
0.82217 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

23 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5031377 (Security Update) Important Elevation of Privilege Yes
Windows 10 for x64-based Systems 5031377 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for 32-bit Systems 5031362 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for x64-based Systems 5031362 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 5031361 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 5031361 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 5031361 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for 32-bit Systems 5031356 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for ARM64-based Systems 5031356 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 21H2 for x64-based Systems 5031356 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for 32-bit Systems 5031356 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for ARM64-based Systems 5031356 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 22H2 for x64-based Systems 5031356 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for ARM64-based Systems 5031358 (Security Update) Important Elevation of Privilege Yes
Windows 11 version 21H2 for x64-based Systems 5031358 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for ARM64-based Systems 5031354 (Security Update) Important Elevation of Privilege Yes
Windows 11 Version 22H2 for x64-based Systems 5031354 (Security Update) Important Elevation of Privilege Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5031416 (Monthly Rollup) 5031411 (Security Only) Important Elevation of Privilege 5030271 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22317 Yes 5031416 5031411 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5031416 (Monthly Rollup) 5031411 (Security Only) Important Elevation of Privilege 5030271 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22317 Yes 5031416 5031411 Windows Server 2008 for x64-based Systems Service Pack 2 5031416 (Monthly Rollup) 5031411 (Security Only) Important Elevation of Privilege 5030271 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22317 Yes 5031416 5031411 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5031416 (Monthly Rollup) 5031411 (Security Only) Important Elevation of Privilege 5030271 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.22317 Yes 5031416 5031411 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5031408 (Monthly Rollup) 5031441 (Security Only) Important Elevation of Privilege 5030265 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.26769 Yes 5031408 5031441 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5031408 (Monthly Rollup) 5031441 (Security Only) Important Elevation of Privilege 5030265 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.26769 Yes 5031408 5031441 Windows Server 2012 5031442 (Monthly Rollup) 5031427 (Security Only) Important Elevation of Privilege 5030278 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.2.9200.24523 Yes None Windows Server 2012 (Server Core installation) 5031442 (Monthly Rollup) 5031427 (Security Only) Important Elevation of Privilege 5030278 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.2.9200.24523 Yes None Windows Server 2012 R2 5031419 (Monthly Rollup) 5031407 (Security Only) Important Elevation of Privilege 5030269 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.21620 Yes None Windows Server 2012 R2 (Server Core installation) 5031419 (Monthly Rollup) 5031407 (Security Only) Important Elevation of Privilege 5030269 Base: 7.0 Temporal: 6.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.21620 Yes None Windows Server 2016 5031362 (Security Update) Important Elevation of Privilege Yes
Windows Server 2016 (Server Core installation) 5031362 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 5031361 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 5031361 (Security Update) Important Elevation of Privilege Yes
Windows Server 2022 5031364 (Security Update) Important Elevation of Privilege Yes
Windows Server 2022 (Server Core installation) 5031364 (Security Update) Important Elevation of Privilege Yes

Patches

7 patches
Article Type Restart
5031377 Security Update Yes
5031362 Security Update Yes
5031361 Security Update Yes
5031356 Security Update Yes
5031358 Security Update Yes
5031354 Security Update Yes
5031364 Security Update Yes

Known Exploits

Acknowledgments

jackery

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