vciy

CVE-2023-24902

INDEX BUILT · 2026-09-20

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Win32k Elevation of Privilege Vulnerability

CVE-2023-249024 of 4 sources documented this
25

rank 25 = 1 + 20 + 0 + 4 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.05092  ·  without this subject the record ranks 24

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.8, from the CNA  ·  without this subject the record ranks 5

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 25

How much of the world it touches

NVD CPE configurations

2 products in the CPE ranges  ·  without this subject the record ranks 21

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 25

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$254,000over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$254,000 = $4.99M incident cost x 1 exposure x 0.05092 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.05092EPSSNOT IN KEVas of 2026-09-20
Severity7.8 HIGHreceipt
Harmtotal lossreceipt
Exploitationnone in held sources
Defensefix version namedreceipt
Movementscoring model changedreceipt
PLATEAU10Minimal movement since 2023-05-10, 1132 days at 0.05, as of 2026-06-15. arc-rules@v1

Foresight · where to check next

Microsoft WindowspolkitLinuxApple macOSCVE-2016-1646Google Chrome24902

This record is one instance of CWE-125, out-of-bounds read. The index holds 9767 prior instances of this class, 19 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signalspoke length is how much of the record matches, not how bad it is

Running Microsoft Windows 11 version 21H2? Check your version

A deterministic range check against the ranges this record publishes. It tells you where a version sits in the record, not whether your deployment is exploitable. No account needed.

Watch this record

Matches your own product list against every record this index holds, and tells you when one of them moves.

What counts as a move

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Record your call

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachneeds local access · low privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v3.1 · the CNA's vectorreceipt
Weakness classCWE-125 Out-of-bounds Readreceipt
Published consequencesCWE-125: Confidentiality: Read Memory; Confidentiality: Bypass Protection Mechanism; Availability: DoS: Crash, Exit, or Restart; Other: Varies by Context[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed in10.0.22000.1936; 10.0.22621.1702receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA7.8 HIGHreceipt
Exploit probability0.05092 · top 8% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned bymicrosoftreceipt
Recorded changes31 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productMicrosoft Windows 11 version 21H2; Microsoft Windows 11 version 22H2receipt
Published rangesmicrosoft windows 11 21h2 < 10.0.22000.1936; microsoft windows 11 22h2 < 10.0.22000.1702receipt
Fixed in10.0.22000.1936; 10.0.22621.1702receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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Attack path

Local accessrequires low privilegesMicrosoft Windows 11 version 21H2CWE-125 out-of-bounds readFull compromise (C/I/A)C:H / I:H / A:Hexploits CWE-125data compromise

What it is stated by the CNA

Win32k Elevation of Privilege Vulnerability receipt

NVD's analysis a second authority

weakness
CWE-125
affected versions
microsoft windows 11 21h2 < 10.0.22000.1936; microsoft windows 11 22h2 < 10.0.22000.1702
also scored by
[email protected] 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

check it yourself msrc.microsoft.com receipt

Movement the material steps

10 May 20230.00043
17 Mar 20250.00262 · scoring model v2025.03.14
15 Jun 20260.05092 · scoring model v2026.06.15

This score more than doubled inside 72 hours. Both observations are in the full history below.

Show all 31 observations
10 May 20230.00043
16 May 20230.00048
8 Jul 20230.00174
11 Jul 20230.00197
14 Jul 20230.00056
11 Aug 20230.00054
16 Aug 20230.00060
24 Aug 20230.00068
11 Sep 20230.00079
30 Oct 20230.00098
28 Jan 20240.00104
10 Feb 20240.00098
8 Apr 20240.00105
20 Apr 20240.00098
10 Jun 20240.00139
22 Jun 20240.00083
26 Aug 20240.00078
22 Sep 20240.00054
29 Nov 20240.00044
17 Dec 20240.00060
17 Mar 20250.00262
19 Mar 20250.00269
25 Mar 20250.0039
29 Mar 20250.00832
30 Mar 20250.0039
15 Apr 20250.02245
18 Nov 20250.0039
21 Nov 20250.02245
5 Mar 20260.02391
10 May 20260.02052
15 Jun 20260.05092

31 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.05092Published2023-05-09Index as of2026-06-15

Exploit probability more than doubled between 2025-11-18 and 2025-11-21 (0.0039 → 0.02245) and the record had been public for 3 years, 1 month when this index was last written.

Published 2023-05-09 receipt · Index as of 2026-06-15 derived

The pattern, elsewhere

This record is one instance of CWE-125, out-of-bounds read. The index holds 9767 prior instances of this class, 19 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2023-36424 · Microsoft Windows 11 version 22H3matches 9 of 9KEV listed · 2023receipt
CVE-2021-4034 · polkitmatches 8 of 9KEV listed · 2022receipt
CVE-2024-53150 · Linuxmatches 7 of 9KEV listed · 2024receipt
CVE-2022-22674 · Apple macOSmatches 6 of 9KEV listed · 2022receipt
CVE-2016-1646matches 5 of 8KEV listed · 2016receipt
CVE-2026-11645 · Google Chromematches 5 of 9KEV listed · 2026receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

9767 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

Siblings and hubs

Records related to this one

Its defect family

microsoft windows 11 version 21h2

Of the 2 records in this family, this is the only one holding a stated fix version: 10.0.22000.1936; 10.0.22621.1702.

Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.

Family membership: held values

This record is one of a group, and the group's page describes all of them. This page is kept and dated, and the defect family's own page is the one we offer for indexing: the whole group.

Browse the index from here

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What usually comes next

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