vciy

CVE-2025-22225

INDEX BUILT · 2026-10-18

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VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write…

CVE-2025-222254 of 4 sources documented this
80

rank 80 = 40 + 21 + 0 + 13 + 6

rank@v1 · act now

Someone is already using it

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

EPSS 0.01016 · CISA KEV listed  ·  without this subject the record ranks 40

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 8.2, from NVD  ·  without this subject the record ranks 59

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 80

How much of the world it touches

NVD CPE configurations

54 products in the CPE ranges  ·  without this subject the record ranks 67

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 74

Hindsight · the state

0.01016EPSSKEV · LISTED
Severity8.2 HIGHreceipt
Harmtotal loss · ransomware-linkedreceipt
Exploitationransomware use knownreceipt
Defenseno fix version held
Movementsteadyreceipt
PLATEAU10Minimal movement since 2025-05-02, 514 days at 0.01, as of 2026-09-28. arc-rules@v1

Foresight · where to check next

Microsoft WindowsMicrosoft Windowspolkit22225

This record is one instance of CWE-787, out-of-bounds write. The index holds 15202 prior instances of this class, 164 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

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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 · high privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability loss, with impact beyond the vulnerable componentreceipt
Scored fromCVSS v3.1 · the CNA's vectorreceipt
Weakness classCWE-787 Out-of-bounds Write; CWE-123 Write-what-where Conditionreceipt
Published consequencesCWE-787: Integrity: Modify Memory, Execute Unauthorized Code or Commands; Availability: DoS: Crash, Exit, or Restart; Other: Unexpected Statecwe-consequences@4.20
Ransomware campaign useKnown (CISA)receipt

CISA KEV & Federal Remediation Deadline from the record and CISA

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

Fixed inNo fix version in held sources, as the index stood on 28 Sep 2026.
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.
CISA remediation statusoverdue since 2025-03-25receipt
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.receipt
BOD 26-04 deadlineNot worked out yet. CISA scores every KEV entry for the directive, and this index has not loaded its scoring for this one.
Published to CISA KEVsame dayderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Ransomware campaign use known, 2025-03-04.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed2025-03-04receipt
  • RUNG 4Ransomware campaign use known2025-03-04receipt

Authority who says so

CVSS, the CNA8.2 HIGHreceipt
CVSS, NVD8.2 HIGHreceipt
Exploit probability0.01016 · top 37% of all CVEsreceipt
Blast breadth3 products across 1 vendorderived
Assigned byvmwarereceipt
Recorded changes60 · last 18 Oct 2026derived

Affected & Fixed Versions as published

Affected productVMware ESXi; VMware Cloud Foundation; VMware Telco Cloud Platform; VMware Telco Cloud Infrastructurereceipt
Published rangesvmware esxi 7.0; vmware esxi 7.0-beta; vmware esxi 7.0-update_1; vmware esxi 7.0-update_1areceipt
Show all 54 published ranges
vmware esxi 7.0
vmware esxi 7.0-beta
vmware esxi 7.0-update_1
vmware esxi 7.0-update_1a
vmware esxi 7.0-update_1b
vmware esxi 7.0-update_1c
vmware esxi 7.0-update_1d
vmware esxi 7.0-update_1e
vmware esxi 7.0-update_2
vmware esxi 7.0-update_2a
vmware esxi 7.0-update_2c
vmware esxi 7.0-update_2d
vmware esxi 7.0-update_2e
vmware esxi 7.0-update_3
vmware esxi 7.0-update_3c
vmware esxi 7.0-update_3d
vmware esxi 7.0-update_3e
vmware esxi 7.0-update_3f
vmware esxi 7.0-update_3g
vmware esxi 7.0-update_3i
vmware esxi 7.0-update_3j
vmware esxi 7.0-update_3k
vmware esxi 7.0-update_3l
vmware esxi 7.0-update_3m
vmware esxi 7.0-update_3n
vmware esxi 7.0-update_3o
vmware esxi 7.0-update_3p
vmware esxi 7.0-update_3q
vmware esxi 7.0-update_3r
vmware esxi 8.0
vmware esxi 8.0-a
vmware esxi 8.0-b
vmware esxi 8.0-c
vmware esxi 8.0-update_1
vmware esxi 8.0-update_1a
vmware esxi 8.0-update_1c
vmware esxi 8.0-update_1d
vmware esxi 8.0-update_2
vmware esxi 8.0-update_2b
vmware esxi 8.0-update_2c
vmware esxi 8.0-update_3
vmware esxi 8.0-update_3b
vmware esxi 8.0-update_3c
vmware telco cloud infrastructure 2.2
vmware telco cloud infrastructure 2.5
vmware telco cloud infrastructure 2.7
vmware telco cloud infrastructure 3.0
vmware telco cloud platform 2.0
vmware telco cloud platform 2.5
vmware telco cloud platform 2.7
vmware telco cloud platform 3.0
vmware telco cloud platform 4.0
vmware telco cloud platform 4.0.1
vmware telco cloud platform 5.0

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.

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$50,700over the next 30 days, if this record is yours
Movement-$12,100on 2026-04-22, the last material move, 5 months before this reading
Basisassumeda published average, not your estate

$50,700 = $4.99M incident cost x 1 exposure x 0.01016 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.

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What it is stated by the CNA

VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox. receipt

NVD's analysis a second authority

severity
8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
weakness
CWE-787; CWE-123
affected versions
vmware esxi 7.0; vmware esxi 7.0-beta; vmware esxi 7.0-update_1; and 51 more, listed in full below
also scored by
security@vmware.com 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

check it yourself support.broadcom.com receipt

Dated events

2025-03-04Added to CISA KEV2025-03-17EPSS moved 0.00 to 0.082025-03-25CISA remediation due2026-06-15EPSS moved 0.10 to 0.01

Movement the material steps

5 Mar 20250.01179
17 Mar 20250.08201 · scoring model v2025.03.14
22 Apr 20250.11787 · crossed 0.10
2 May 20250.09937 · crossed 0.10
11 May 20250.10324 · crossed 0.10
15 May 20250.05699 · crossed 0.10
21 Apr 20260.10226 · crossed 0.10
22 Apr 20260.09983 · crossed 0.10
15 Jun 20260.00963 · scoring model v2026.06.15
28 Sep 20260.01016
Show all 49 observations
5 Mar 20250.01179
12 Mar 20250.00154
17 Mar 20250.08201
19 Mar 20250.07274
20 Mar 20250.08201
26 Mar 20250.08446
27 Mar 20250.07495
28 Mar 20250.08446
29 Mar 20250.07495
30 Mar 20250.08446
5 Apr 20250.09716
15 Apr 20250.05427
22 Apr 20250.11787
28 Apr 20250.11344
2 May 20250.09937
11 May 20250.10324
15 May 20250.05699
17 May 20250.04699
4 Jul 20250.04911
31 Jul 20250.04042
16 Aug 20250.03613
18 Aug 20250.04042
22 Aug 20250.03939
9 Sep 20250.05254
19 Oct 20250.06406
22 Oct 20250.08451
31 Oct 20250.04189
18 Nov 20250.06676
21 Nov 20250.04189
11 Jan 20260.06333
14 Jan 20260.07053
18 Jan 20260.05516
20 Jan 20260.06152
8 Feb 20260.05414
11 Feb 20260.06038
18 Feb 20260.05414
20 Feb 20260.06038
5 Mar 20260.0613
20 Mar 20260.07106
22 Mar 20260.07905
9 Apr 20260.07133
10 Apr 20260.08531
12 Apr 20260.09983
21 Apr 20260.10226
22 Apr 20260.09983
23 May 20260.09781
15 Jun 20260.00963
31 Jul 20260.00997
28 Sep 20260.01016

49 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 0.01016Published · CISA KEV2025-03-04Index as of2026-09-28

Listed by CISA on the day it published and the record had been public for 1 year, 6 months when this index was last written.

Published 2025-03-04 receipt · CISA KEV 2025-03-04 receipt · Index as of 2026-09-28 derived

The pattern, elsewhere

This record is one instance of CWE-787, out-of-bounds write. The index holds 15202 prior instances of this class, 164 KEV-listed. The nearest of its KEV-listed records are drawn beside this. cwe-consequences@4.20

CVE-2024-30051 · Microsoft Windows 10 Version 1809matches 6 of 10KEV listed · 2024receipt
CVE-2023-23376 · Microsoft Windows 10 Version 1507matches 6 of 10KEV listed · 2023receipt
CVE-2023-28252 · Microsoft Windows 10 Version 1809matches 6 of 10KEV listed · 2023receipt
CVE-2021-4034 · polkitmatches 6 of 10KEV listed · 2022receipt
CVE-2022-24521 · Microsoft Windows 10 Version 1809matches 6 of 10KEV listed · 2022receipt
CVE-2022-37969 · Microsoft Windows 10 Version 1809matches 6 of 10KEV listed · 2022receipt

"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

15202 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

vmware esxi

Of the 3 records in this advisory, this is the only one holding a CISA KEV listing: VMware ESXi Arbitrary Write Vulnerability.

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

Family membership: computed, pro@dim2000

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.

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What usually comes next

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