vciy

CVE-2025-59230

INDEX BUILT · 2026-09-20

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Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

CVE-2025-592304 of 4 sources documented this
78

rank 78 = 40 + 20 + 1 + 9 + 8

rank@v1 · act now

Someone is already using it

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

EPSS 0.02684 · CISA KEV listed  ·  without this subject the record ranks 38

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 58

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2025-12-03  ·  without this subject the record ranks 77

How much of the world it touches

NVD CPE configurations

16 products in the CPE ranges  ·  without this subject the record ranks 69

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 70

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$134,000over the next 30 days, if this record is yours
Movement-$611,000on 2025-10-17, the last material move, 10 months before this reading
Basisassumeda published average, not your estate

$134,000 = $4.99M incident cost x 1 exposure x 0.02684 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

0.02684EPSSKEV · LISTED
Severity7.8 HIGHreceipt
Harmtotal lossreceipt
Exploitationin the wild · KEVreceipt
Defensefix version namedreceipt
Movementdoubled within 72hreceipt
PLATEAU10Minimal movement since 2025-10-17, 332 days at 0.03, as of 2026-09-14. arc-rules@v1

Foresight · where to check next

Microsoft WindowsMicrosoft WindowsCVE-2019-11634CVE-2012-4681SonicWall SonicOSPaperCut NG59230

This record is one instance of CWE-284, improper access control. The index holds 8100 prior instances of this class, 34 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 10 Version 1507? 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.

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Harm, if it fires from the vector and the weakness

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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-284 Improper Access Controlreceipt
Published consequencesCWE-284: Other: Varies by Context[email protected]
Ransomware campaign useUnknown to CISAreceipt

CISA KEV & Federal Remediation Deadline from the record and CISA

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

Fixed in10.0.10240.21161; 10.0.14393.8519; 10.0.17763.7919; 10.0.19044.6456; 10.0.19045.6456; 10.0.22621.6060; 10.0.22631.6060; 10.0.26100.6899; 10.0.26200.6899…receipt
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 2025-11-04receipt
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
Published to CISA KEVsame dayderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Exploited in the wild · CISA KEV listed, 2025-10-14.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed2025-10-14receipt
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA7.8 HIGHreceipt
Exploit probability0.02684 · top 15% of all CVEsreceipt
Blast breadth2 products across 1 vendorderived
Assigned bymicrosoftreceipt
Recorded changes61 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productMicrosoft Windows 10 Version 1507; Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809; Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2…receipt
Published rangesmicrosoft windows 10 1507 < 10.0.10240.21161; microsoft windows 10 1607 < 10.0.14393.8519; microsoft windows 10 1809 < 10.0.17763.7919; microsoft windows 10 21h2 < 10.0.19044.6456receipt
Show all 16 published ranges
microsoft windows 10 1507 < 10.0.10240.21161
microsoft windows 10 1607 < 10.0.14393.8519
microsoft windows 10 1809 < 10.0.17763.7919
microsoft windows 10 21h2 < 10.0.19044.6456
microsoft windows 10 22h2 < 10.0.19045.6456
microsoft windows 11 22h2 < 10.0.22621.6060
microsoft windows 11 23h2 <= 10.0.22631.6060
microsoft windows 11 24h2 < 10.0.26100.6899
microsoft windows 11 25h2 < 10.0.26200.6899
microsoft windows server 2008 r2
microsoft windows server 2012 r2
microsoft windows server 2016 <= 10.0.14393.8519
microsoft windows server 2019 < 10.0.17763.7919
microsoft windows server 2022 < 10.0.20348.4294
microsoft windows server 2022 23h2 < 10.0.25398.1913
microsoft windows server 2025 <= 10.0.26100.6899
Fixed in10.0.10240.21161; 10.0.14393.8519; 10.0.17763.7919; 10.0.19044.6456; 10.0.19045.6456; 10.0.22621.6060; 10.0.22631.6060; 10.0.26100.6899; 10.0.26200.6899…receipt

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 privilegesCISA KEV listingadded 10-14 · due 11-04Microsoft Windows Server 2012CWE-284 access control failureFull compromise (C/I/A)C:H / I:H / A:Hmandates remediationexploits CWE-284data compromise

What it is stated by the CNA

Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally. receipt

NVD's analysis a second authority

weakness
CWE-284
affected versions
microsoft windows 10 1507 < 10.0.10240.21161; microsoft windows 10 1607 < 10.0.14393.8519; microsoft windows 10 1809 < 10.0.17763.7919; and 13 more, listed in full below
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

Dated events

2025-10-14Added to CISA KEV2025-10-17EPSS moved 0.18 to 0.062025-10-28EPSS moved 0.10 to 0.012025-11-04CISA remediation due2025-12-03EPSS moved 0.02 to 0.07

Movement the material steps

15 Oct 20250.14026
17 Oct 20250.05808 · crossed 0.10
15 Jun 20260.02615 · scoring model v2026.06.15
14 Sep 20260.02684

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

Show all 50 observations
15 Oct 20250.14026
16 Oct 20250.18059
17 Oct 20250.05808
18 Oct 20250.07683
20 Oct 20250.06445
22 Oct 20250.09525
28 Oct 20250.01453
3 Nov 20250.01209
4 Nov 20250.01025
7 Nov 20250.01094
15 Nov 20250.01258
18 Nov 20250.05281
21 Nov 20250.01626
25 Nov 20250.0151
28 Nov 20250.01626
3 Dec 20250.07149
4 Dec 20250.08649
6 Dec 20250.08084
11 Dec 20250.0857
18 Dec 20250.08345
20 Dec 20250.08423
21 Dec 20250.09612
22 Dec 20250.08494
24 Dec 20250.09724
2 Jan 20260.09612
6 Jan 20260.09525
18 Jan 20260.07339
19 Jan 20260.0727
23 Jan 20260.06851
24 Jan 20260.07339
4 Feb 20260.06851
5 Feb 20260.0727
13 Feb 20260.08306
19 Feb 20260.07393
21 Feb 20260.08483
2 Mar 20260.06289
4 Mar 20260.06677
6 Mar 20260.07581
10 Mar 20260.06677
12 Mar 20260.04879
13 Mar 20260.05627
14 Mar 20260.04972
19 Mar 20260.03724
20 May 20260.04972
9 Jun 20260.04468
15 Jun 20260.02615
10 Jul 20260.02675
24 Jul 20260.02584
28 Aug 20260.02675
14 Sep 20260.02684

50 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 0.02684Published · CISA KEV2025-10-14Index as of2026-09-14

Listed by CISA on the day it published, exploit probability more than doubled between 2025-11-15 and 2025-11-18 (0.01258 → 0.05281) and the record had been public for 11 months when this index was last written.

Published 2025-10-14 receipt · CISA KEV 2025-10-14 receipt · Index as of 2026-09-14 derived

The pattern, elsewhere

This record is one instance of CWE-284, improper access control. The index holds 8100 prior instances of this class, 34 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2026-81963 · Microsoft Windows 11 version 23H2matches 9 of 9KEV listed · 2026receipt
CVE-2025-33073 · Microsoft Windows 10 Version 1507matches 8 of 9KEV listed · 2025receipt
CVE-2019-11634matches 6 of 8KEV listed · 2019receipt
CVE-2012-4681matches 6 of 8KEV listed · 2012receipt
CVE-2024-40766 · SonicWall SonicOSmatches 6 of 9KEV listed · 2024receipt
CVE-2023-27350 · PaperCut NGmatches 6 of 9KEV listed · 2023receipt

"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

8100 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.

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What usually comes next

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