Page generated: 11 Nov 2026, 01:17 UTC
CVE-2021-36948
Windows Update Medic Service Elevation of Privilege Vulnerability
CVSS 7.8 (HIGH) KEV: KNOWN CATALOG
Attention and evidence
HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.3/10
General review priority; not probability
Evidence confidence: Exploitation recorded
Sources: 11 documents and public datasets.
Hype components
Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100
Sources and documents
Security Affairs
Press · 28 Jul 2022, 07:00 · European firm DSIRF behind the attacks with Subzero surveillance malware - Security Affairs
BleepingComputer
Press · 27 Jul 2022, 07:00 · Microsoft: Windows, Adobe zero-days used to deploy Subzero malware - BleepingComputer
Qualys
Press · 22 Feb 2022, 08:00 · Managing CISA Known Exploited Vulnerabilities with Qualys VMDR - Qualys
Qualys
Press · 13 Aug 2021, 07:00 · Microsoft and Adobe Patch Tuesday (August 2021) - Microsoft 51 Vulnerabilities with 7 Critical, Adobe 29 Vulnerabilities - Qualys
CrowdStrike
Press · 12 Aug 2021, 07:00 · August 2021 Patch Tuesday: Updates and Analysis - CrowdStrike
Score evolution
● Hype ● Reality
Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.
First record: hype 0.0 · reality 8.3 (2026-11-02 15:12). The curve appears once the score changes.
Public exploit evidence
0
Public exploit entries / repo candidates
Evidence context and dated references
Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.
Evidence in context
- Confidence in exploitation evidence
- Exploitation recorded
- Priority basis
- Recorded exploitation; CVSS 7.8; EPSS 23.3%
- Attention, last 30 days
- 0 distinct story titles; 0 press documents; 0 publisher domains.
- Technical potential
- local access, low privileges, no user interaction.
- Observed activity
- Exploitation recorded in CISA KEV.
- Known scale
- Not quantified.
- Evidence confidence basis
- Trusted exploitation confirmation
Score evaluated: 2026-11-05 13:58:28.999775+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z
Source event timeline
First press mention
10 Aug 2021, 07:00
Published
12 Aug 2021, 18:12
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
28 Jul 2022, 07:00
Score calculated
05 Nov 2026, 13:58