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Page generated: 11 Nov 2026, 01:47 UTC

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CVE-2022-22047

Windows Client Server Run-time Subsystem (CSRSS) 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

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 7.8: +1.17
Fresh EPSS: 18.77%: +0.09

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 12 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

Securelist

Press · 14 Mar 2024, 07:00 · A patched Windows attack surface is still exploitable - Securelist

thezdi.com

Press · 23 Jan 2023, 08:00 · Activation Context Cache Poisoning: Exploiting CSRSS for Privilege Escalation - thezdi.com

Infosecurity Magazine

Press · 01 Aug 2022, 07:00 · Austrian Investigation Reveals Spyware Targeting Law Firms, Finance Institutions - Infosecurity Magazine

TechTarget

Press · 28 Jul 2022, 07:00 · Microsoft: Austrian company DSIRF selling Subzero malware - TechTarget

TechTarget

Press · 28 Jul 2022, 07:00 · Microsoft: Austrian company DSIRF selling Subzero malware - TechTarget

See all 12 source documents

Ars Technica

Press · 27 Jul 2022, 07:00 · 0-days sold by Austrian firm used to hack Windows users, Microsoft says - Ars Technica

Microsoft

Press · 27 Jul 2022, 07:00 · Untangling KNOTWEED: European private-sector offensive actor using 0-day exploits - Microsoft

Check Point Research

Press · 18 Jul 2022, 07:00 · 18th July – Threat Intelligence Report - Check Point Research

BornCity

Press · 18 Jul 2022, 07:00 · Outlook.com issues (July 18, 2022)Born's Tech and Windows World - BornCity

The Hacker News

Press · 13 Jul 2022, 07:00 · Microsoft Releases Fix for Zero-Day Flaw in July 2022 Security Patch Rollout - The Hacker News

BleepingComputer

Press · 12 Jul 2022, 07:00 · CISA orders agencies to patch new Windows zero-day used in attacks - BleepingComputer

Krebs on Security

Press · 12 Jul 2022, 07:00 · Microsoft Patch Tuesday, July 2022 Edition - Krebs on Security

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 15:13). The curve appears once the score changes.

Public exploit evidence

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 18.8%
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 13:58:35.128013+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Added to the CISA KEV catalog

12 Jul 2022, 00:00

First press mention

12 Jul 2022, 07:00

Published

12 Jul 2022, 22:37

Latest press mention

14 Mar 2024, 07:00

Score calculated

05 Nov 2026, 13:58