vciy

CVE-2022-44690

INDEX BUILT · 2026-09-20

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Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2022-446904 of 4 sources documented this
49

rank 49 = 21 + 22 + 1 + 5 + 0

rank@v1 · this cycle

Someone is already using it

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

EPSS 0.82081  ·  without this subject the record ranks 28

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 8.8, from the CNA  ·  without this subject the record ranks 27

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2025-12-14  ·  without this subject the record ranks 48

How much of the world it touches

NVD CPE configurations

4 products in the CPE ranges  ·  without this subject the record ranks 44

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 49

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$4.10Mover 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

$4.10M = $4.99M incident cost x 1 exposure x 0.82081 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

0.82081EPSSNOT IN KEVas of 2026-09-20
Severity8.8 HIGHreceipt
Harmtotal lossreceipt
Exploitationnone in held sources
Defensefix version namedreceipt
Movementdoubled within 72hreceipt
PLATEAU10Minimal movement since 2026-06-15, 43 days at 0.82, as of 2026-07-28. 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

Running Microsoft SharePoint Enterprise Server…? 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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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.

Reachnetwork-reachable · low privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v3.1 · the CNA's vectorreceipt
Weakness classNo CWE mapping in held sources.

CISA KEV & Federal Remediation Deadline from the record and CISA

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

Fixed in16.0.5373.1000; 15.0.5511.1000; 10393.20000; 15601.20316receipt
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 CNA8.8 HIGHreceipt
Exploit probability0.82081 · top 0.36% of all CVEsreceipt
Blast breadth2 products across 1 vendorderived
Assigned bymicrosoftreceipt
Recorded changes45 · last 18 Sep 2026derived

Affected & Fixed Versions as published

Affected productMicrosoft SharePoint Enterprise Server 2016; Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition…receipt
Published rangesmicrosoft sharepoint foundation 2013; microsoft sharepoint server 2013; microsoft sharepoint server 2016; microsoft sharepoint server 2019receipt
Fixed in16.0.5373.1000; 15.0.5511.1000; 10393.20000; 15601.20316receipt

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.

Did this affect your environment?Answering needs an account.

What it is stated by the CNA

Microsoft SharePoint Server Remote Code Execution Vulnerability receipt

NVD's analysis a second authority

affected versions
microsoft sharepoint foundation 2013; microsoft sharepoint server 2013; microsoft sharepoint server 2016; and 1 more, listed in full below
also scored by
[email protected] 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

check it yourself msrc.microsoft.com receipt

Dated events

2025-03-17EPSS moved 0.00 to 0.262026-06-15EPSS moved 0.30 to 0.82

Movement the material steps

14 Dec 20220.01156
7 Mar 20230.00252 · scoring model v2023.03.01
17 Mar 20250.26406 · crossed 0.10 · scoring model v2025.03.14
29 Mar 20250.44912
30 Mar 20250.33895
18 Nov 20250.14136
21 Nov 20250.31756
15 Jun 20260.82081 · crossed 0.50 · scoring model v2026.06.15
28 Jul 20260.82081

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

Show all 45 observations
14 Dec 20220.01156
17 Dec 20220.01967
7 Mar 20230.00252
11 Mar 20230.00244
17 Mar 20230.00347
22 Mar 20230.00788
17 Apr 20230.00691
8 May 20230.00185
20 Jun 20230.00208
27 Sep 20230.00250
20 Oct 20230.00701
2 Nov 20230.00365
13 Nov 20230.00417
20 Dec 20230.00663
15 Jan 20240.00738
7 Jun 20240.00947
5 Jul 20240.01103
20 Jul 20240.01254
27 Nov 20240.01048
17 Dec 20240.00602
26 Dec 20240.00424
5 Feb 20250.00383
17 Mar 20250.26406
19 Mar 20250.33895
29 Mar 20250.44912
30 Mar 20250.33895
20 May 20250.34455
2 Jun 20250.33895
24 Jul 20250.3049
9 Oct 20250.31756
18 Nov 20250.14136
21 Nov 20250.31756
13 Dec 20250.34517
14 Dec 20250.38597
21 Dec 20250.2888
24 Dec 20250.30788
27 Dec 20250.31574
28 Dec 20250.30788
27 Jan 20260.31934
22 Mar 20260.29067
7 Jun 20260.29209
8 Jun 20260.30222
15 Jun 20260.82081
26 Jul 20260.79689
28 Jul 20260.82081

45 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 0.82081Published2022-12-13Index as of2026-07-28

Exploit probability more than doubled between 2025-11-18 and 2025-11-21 (0.14136 → 0.31756) and the record had been public for 3 years, 7 months when this index was last written.

Published 2022-12-13 receipt · Index as of 2026-07-28 derived

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