Important CVSS 7.8 EPSS 0.00457 2021-08 archive

Executive Summary

None

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Aug 10 2021
Last Updated Aug 10 2021
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00457 — 0.36158 percentile
NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
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: 6.8

EPSS Score

0.00457
probability of exploitation in the next 30 days
0.36158 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
Windows 7 for 32-bit Systems Service Pack 1 5011552 (Monthly Rollup) 5011529 (Security Only) Important Elevation of Privilege 5010404 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.25898 Yes 5011552 5011529 Windows 7 for x64-based Systems Service Pack 1 5011552 (Monthly Rollup) 5011529 (Security Only) Important Elevation of Privilege 5010404 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.25898 Yes 5011552 5011529 Windows 8.1 for 32-bit systems 5011564 (Monthly Rollup) 5011560 (Security Only) Important Elevation of Privilege 5010419 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20303 Yes 5011564 5011560 5011564 Windows 8.1 for x64-based systems 5011564 (Monthly Rollup) 5011560 (Security Only) Important Elevation of Privilege 5010419 Base: 7.8 Temporal: 6.8 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20303 Yes 5011564 5011560 5011564 Windows RT 8.1 5011564 (Monthly Rollup) Important Elevation of Privilege Yes

Patches

1 patch
Article Type Restart
5011564 Monthly Rollup Yes

Known Exploits

Acknowledgments