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Page generated: 11 Nov 2026, 00:00 UTC

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CVE-2022-21882

Win32k Elevation of Privilege Vulnerability

CVSS 7.0 (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: +1.05
Fresh EPSS: 59.20%: +0.30

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

Sources: 9 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

blog.google

Press · 27 Jul 2023, 07:00 · The Ups and Downs of 0-days: A Year in Review of 0-days Exploited In-the-Wild in 2022 - blog.google

Unit 42

Press · 20 Jun 2023, 07:00 · Inside Win32k Exploitation: Analysis of CVE-2022-21882 and CVE-2021-1732 - Unit 42

Unit 42

Press · 13 Jun 2023, 07:00 · Inside Win32k Exploitation: Background on Implementations of Win32k and Exploitation Methodologies - Unit 42

wiz.io

Press · 10 Aug 2022, 13:11 · Detect and prioritize CISA Known Exploited Vulnerabilities in the cloud with Wiz - wiz.io

Securelist

Press · 27 May 2022, 07:00 · PC malware statistics, Q1 2022 - Securelist

See all 9 source documents

Rapid7

Press · 04 Mar 2022, 08:00 · Metasploit Weekly Wrap-Up: Mar. 4, 2022 - Rapid7

Qualys

Press · 22 Feb 2022, 08:00 · Managing CISA Known Exploited Vulnerabilities with Qualys VMDR - Qualys

TechTarget

Press · 09 Feb 2022, 08:00 · After rough January, IT gets a mild February Patch Tuesday - TechTarget

BornCity

Press · 31 Jan 2022, 08:00 · Windows 10/11: Systems required 2-6 hours of update connectivity for successful updates - BornCity

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

See 1 repos with metrics

Repository	Stars	Forks	Language	Updated
sailay1996/cve-2022-21882-poc	49	20	C++	07 Feb 2022, 03:49

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; EPSS 59.2%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: local access, low privileges, no user interaction, additional attack conditions.
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

Published

11 Jan 2022, 20:22

First press mention

31 Jan 2022, 08:00

Added to the CISA KEV catalog

04 Feb 2022, 00:00

Latest press mention

27 Jul 2023, 07:00

Score calculated

05 Nov 2026, 13:58

PoCs on GitHub

1 repositories