vciy

CVE-2022-34713

INDEX BUILT · 2026-09-20

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Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

CVE-2022-347134 of 4 sources documented this
75

rank 75 = 40 + 20 + 0 + 9 + 6

rank@v1 · act now

Someone is already using it

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

EPSS 0.67757 · CISA KEV listed  ·  without this subject the record ranks 35

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 55

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 75

How much of the world it touches

NVD CPE configurations

13 products in the CPE ranges  ·  without this subject the record ranks 66

Someone else already set the date

CISA KEV remediation due date

CISA remediation date held  ·  without this subject the record ranks 69

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$3.38Mover the next 30 days, if this record is yours
Movement-$1.72Mon 2025-11-21, the last material move, 9 months before this reading
Basisassumeda published average, not your estate

$3.38M = $4.99M incident cost x 1 exposure x 0.67757 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

0.67757EPSSKEV · LISTED
Severity7.8 HIGHreceipt
Harmtotal lossreceipt
Exploitationin the wild · KEVreceipt
Defensefix version namedreceipt
Movementdoubled within 72hreceipt
PLATEAU10Minimal movement since 2026-06-15, 84 days at 0.68, as of 2026-09-07. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

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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 · no privileges required · user interaction required · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v3.1 · the CNA's vectorreceipt
Weakness classNo CWE mapping in held sources.
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 in10.0.17763.3287; 10.0.19043.1889; 10.0.20348.887; 10.0.19042.1889; 10.0.22000.856; 10.0.19044.1889; 10.0.10240.19387; 10.0.14393.5291; 6.1.7601.26065…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 2022-08-30receipt
CISA required actionApply updates per vendor instructions.receipt
Published to CISA KEVsame dayderived

Exploit Status & Known PoCs a ladder, not a score

Current rung: Exploited in the wild · CISA KEV listed, 2022-08-09.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed2022-08-09receipt
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA7.8 HIGHreceipt
Exploit probability0.67757 · top 0.71% of all CVEsreceipt
Blast breadth3 products across 1 vendorderived
Assigned bymicrosoftreceipt
Recorded changes93 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productMicrosoft Windows 10 Version 1809; Microsoft Windows Server 2019; Microsoft Windows Server 2019 (Server Core installation); Microsoft Windows 10 Version 21H1; Microsoft Windows Server 2022…receipt
Published rangesmicrosoft windows 10 1507 < 10.0.10240.19387; microsoft windows 10 1607 < 10.0.14393.5291; microsoft windows 10 1809 < 10.0.17763.3287; microsoft windows 10 20h2 < 10.0.19042.1889receipt
Show all 13 published ranges
microsoft windows 10 1507 < 10.0.10240.19387
microsoft windows 10 1607 < 10.0.14393.5291
microsoft windows 10 1809 < 10.0.17763.3287
microsoft windows 10 20h2 < 10.0.19042.1889
microsoft windows 10 21h1 < 10.0.19043.1889
microsoft windows 10 21h2 < 10.0.19044.1889
microsoft windows 11 21h2 < 10.0.22000.856
microsoft windows server 2008 r2
microsoft windows server 2012 r2
microsoft windows server 2016 < 10.0.14393.5291
microsoft windows server 2019 < 10.0.17763.3287
microsoft windows server 2022 < 10.0.20348.887
microsoft windows server 20h2 < 10.0.19042.1889
Fixed in10.0.17763.3287; 10.0.19043.1889; 10.0.20348.887; 10.0.19042.1889; 10.0.22000.856; 10.0.19044.1889; 10.0.10240.19387; 10.0.14393.5291; 6.1.7601.26065…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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What it is stated by the CNA

Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability receipt

NVD's analysis a second authority

affected versions
microsoft windows 10 1507 < 10.0.10240.19387; microsoft windows 10 1607 < 10.0.14393.5291; microsoft windows 10 1809 < 10.0.17763.3287; and 10 more, listed in full below
also scored by
[email protected] 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

check it yourself msrc.microsoft.com receipt

Dated events

2022-08-09Added to CISA KEV2022-08-30CISA remediation due2023-03-07EPSS moved 0.02 to 0.872026-06-15EPSS moved 0.04 to 0.68

Movement the material steps

10 Aug 20220.01103
7 Mar 20230.86931 · crossed 0.10 and 0.50 · scoring model v2023.03.01
28 Mar 20230.92070 · crossed 0.90
5 Aug 20230.69146 · crossed 0.90
7 Jan 20240.58290
17 Feb 20240.44055 · crossed 0.50
1 Mar 20240.51049 · crossed 0.50
16 Mar 20240.49841 · crossed 0.50
13 Apr 20240.59379 · crossed 0.50
13 May 20240.49947 · crossed 0.50
11 Jun 20240.57861 · crossed 0.50
22 Aug 20240.47347 · crossed 0.50
12 Nov 20240.32524
17 Dec 20240.55956 · crossed 0.50
19 Dec 20240.15842 · crossed 0.50
4 Feb 20250.07373 · crossed 0.10
19 Feb 20250.24493 · crossed 0.10
3 Mar 20250.43836
15 Mar 20250.24737
17 Mar 20250.05636 · crossed 0.10 · scoring model v2025.03.14
29 Mar 20250.13234 · crossed 0.10
30 Mar 20250.03673 · crossed 0.10
18 Nov 20250.38151 · crossed 0.10
21 Nov 20250.03724 · crossed 0.10
15 Jun 20260.6798 · crossed 0.10 and 0.50 · scoring model v2026.06.15
7 Sep 20260.67757

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

Show all 82 observations
10 Aug 20220.01103
16 Aug 20220.01528
7 Mar 20230.86931
28 Mar 20230.92070
8 Apr 20230.93834
30 Apr 20230.94838
8 May 20230.95494
1 Jun 20230.95323
19 Jun 20230.97250
29 Jun 20230.96441
5 Aug 20230.69146
16 Aug 20230.69685
11 Sep 20230.68742
1 Nov 20230.61143
11 Dec 20230.59440
7 Jan 20240.58290
20 Jan 20240.53317
2 Feb 20240.56861
17 Feb 20240.44055
1 Mar 20240.51049
16 Mar 20240.49841
13 Apr 20240.59379
13 May 20240.49947
11 Jun 20240.57861
25 Jun 20240.58153
29 Jun 20240.59953
8 Jul 20240.62532
24 Jul 20240.55196
5 Aug 20240.51420
22 Aug 20240.47347
4 Sep 20240.38806
18 Sep 20240.42118
2 Oct 20240.49363
16 Oct 20240.41938
31 Oct 20240.40157
12 Nov 20240.32524
28 Nov 20240.26059
10 Dec 20240.36093
17 Dec 20240.55956
19 Dec 20240.15842
21 Jan 20250.16129
4 Feb 20250.07373
17 Feb 20250.08886
19 Feb 20250.24493
3 Mar 20250.43836
15 Mar 20250.24737
17 Mar 20250.05636
19 Mar 20250.04286
25 Mar 20250.03301
29 Mar 20250.13234
30 Mar 20250.03673
3 Apr 20250.02738
15 Apr 20250.09156
26 Apr 20250.08936
10 Aug 20250.09572
1 Sep 20250.07962
16 Sep 20250.08162
17 Sep 20250.07757
19 Sep 20250.07952
1 Oct 20250.08431
2 Oct 20250.08225
19 Oct 20250.06415
22 Oct 20250.07559
27 Oct 20250.0818
28 Oct 20250.07559
31 Oct 20250.05035
4 Nov 20250.03724
18 Nov 20250.38151
21 Nov 20250.03724
27 Dec 20250.04048
28 Dec 20250.03724
23 Jan 20260.04492
18 Feb 20260.0461
27 Feb 20260.04492
23 Mar 20260.04302
24 Mar 20260.04469
28 Mar 20260.03259
21 Apr 20260.03347
2 May 20260.03259
14 May 20260.04469
15 Jun 20260.6798
7 Sep 20260.67757

82 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 0.67757Published · CISA KEV2022-08-09Index as of2026-09-07

Listed by CISA on the day it published, exploit probability more than doubled between 2025-02-17 and 2025-02-19 (0.08886 → 0.24493) and the record had been public for 4 years when this index was last written.

Published 2022-08-09 receipt · CISA KEV 2022-08-09 receipt · Index as of 2026-09-07 derived

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