Important CVSS 7.8 EPSS 0.00563 2025-11 archive

Executive Summary

Heap-based buffer overflow in Windows OLE allows an unauthorized attacker to execute code locally.

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Nov 11 2025
Last Updated Nov 11 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00563 — 0.4346 percentile
NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.8

EPSS Score

0.00563
probability of exploitation in the next 30 days
0.4346 percentile - updated 2026-07-25
View on FIRST.org

Affected Products

21 affected products
Product KB Article Severity Impact Restart Required
Windows 10 Version 1607 for 32-bit Systems 5068864 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 1607 for x64-based Systems 5068864 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 1809 for 32-bit Systems 5068791 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 1809 for x64-based Systems 5068791 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 21H2 for 32-bit Systems 5068781 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 21H2 for ARM64-based Systems 5068781 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 21H2 for x64-based Systems 5068781 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 22H2 for 32-bit Systems 5068781 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 22H2 for ARM64-based Systems 5068781 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 22H2 for x64-based Systems 5068781 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 23H2 for ARM64-based Systems 5068865 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 23H2 for x64-based Systems 5068865 (Security Update) Important Remote Code Execution Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5068906 (Monthly Rollup) 5068909 (Security Only) Important Remote Code Execution 5066874 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23624 Yes None Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5068906 (Monthly Rollup) 5068909 (Security Only) Important Remote Code Execution 5066874 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23624 Yes None Windows Server 2008 for x64-based Systems Service Pack 2 5068906 (Monthly Rollup) 5068909 (Security Only) Important Remote Code Execution 5066874 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23624 Yes None Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5068906 (Monthly Rollup) 5068909 (Security Only) Important Remote Code Execution 5066874 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23624 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 5068904 (Monthly Rollup) 5068908 (Security Only) Important Remote Code Execution 5066872 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.28021 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5068904 (Monthly Rollup) 5068908 (Security Only) Important Remote Code Execution 5066872 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.28021 Yes None Windows Server 2012 5068907 (Monthly Rollup) Important Remote Code Execution Yes
Windows Server 2012 (Server Core installation) 5068907 (Monthly Rollup) Important Remote Code Execution Yes
Windows Server 2012 R2 5068905 (Monthly Rollup) Important Remote Code Execution Yes
Windows Server 2012 R2 (Server Core installation) 5068905 (Monthly Rollup) Important Remote Code Execution Yes
Windows Server 2016 5068864 (Security Update) Important Remote Code Execution Yes
Windows Server 2016 (Server Core installation) 5068864 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 5068791 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 (Server Core installation) 5068791 (Security Update) Important Remote Code Execution Yes
Windows Server 2022 5068787 (Security Update) 5068840 (Security Hotpatch Update) Important Remote Code Execution 5066782 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.4405 10.0.20348.4346 Yes None Windows Server 2022 (Server Core installation) 5068787 (Security Update) 5068840 (Security Hotpatch Update) Important Remote Code Execution 5066782 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.4405 10.0.20348.4346 Yes None Windows Server 2022, 23H2 Edition (Server Core installation) 5068779 (Security Update) Important Remote Code Execution Yes

Patches

7 patches
Article Type Restart
5068864 Security Update Yes
5068791 Security Update Yes
5068781 Security Update Yes
5068865 Security Update Yes
5068907 Monthly Rollup Yes
5068905 Monthly Rollup Yes
5068779 Security Update Yes

Known Exploits

Acknowledgments