Windows Media
CVE-2021-36927 — Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability
Executive Summary
None
Overview
7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
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
0.00525
probability of exploitation in the next 30 days
0.41925 percentile - updated 2026-08-14
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 |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
JIWO Technology Co., Ltd
The UK's National Cyber Security Centre (NCSC)
References
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