CVE-2022-26809

highpriority · act · 82EPSS 0.910 · 100 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

10 exploits · PoC

Likely / severe?

91.0% (100th) EPSS

CVSS 10 · high

Is it mine?

156 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Remote Procedure Call Runtime Remote Code Execution Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.5066:Security Update:https://support.microsoft.com/help/5012596
https://support.microsoft.com/help/5012596
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.5066:Security Update:https://support.microsoft.com/help/5012596
https://support.microsoft.com/help/5012596
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.2803:Security Update:https://support.microsoft.com/help/5012647
https://support.microsoft.com/help/5012647
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.2803:Security Update:https://support.microsoft.com/help/5012647
https://support.microsoft.com/help/5012647
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.2803:Security Update:https://support.microsoft.com/help/5012647
https://support.microsoft.com/help/5012647
FixedWindows 10 Version 1909 for 32-bit Systemsmsrc_csaf
10.0.18363.2212:Security Update:https://support.microsoft.com/help/5012591
https://support.microsoft.com/help/5012591
FixedWindows 10 Version 1909 for ARM64-based Systemsmsrc_csaf
10.0.18363.2212:Security Update:https://support.microsoft.com/help/5012591
https://support.microsoft.com/help/5012591
FixedWindows 10 Version 1909 for x64-based Systemsmsrc_csaf
10.0.18363.2212:Security Update:https://support.microsoft.com/help/5012591
https://support.microsoft.com/help/5012591
FixedWindows 10 Version 20H2 for 32-bit Systemsmsrc_csaf
10.0.19042.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599
FixedWindows 10 Version 20H2 for ARM64-based Systemsmsrc_csaf
10.0.19042.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599
FixedWindows 10 Version 21H1 for 32-bit Systemsmsrc_csaf
10.0.19043.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599
FixedWindows 10 Version 21H1 for ARM64-based Systemsmsrc_csaf
10.0.19043.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599
FixedWindows 10 Version 21H1 for x64-based Systemsmsrc_csaf
10.0.19043.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599
FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.19265:Security Update:https://support.microsoft.com/help/5012653
https://support.microsoft.com/help/5012653
FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.19265:Security Update:https://support.microsoft.com/help/5012653
https://support.microsoft.com/help/5012653
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.613:Security Update:https://support.microsoft.com/help/5012592
https://support.microsoft.com/help/5012592
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.613:Security Update:https://support.microsoft.com/help/5012592
https://support.microsoft.com/help/5012592
FixedWindows 7 for 32-bit Systems Service Pack 1msrc_csaf
6.1.7601.25924:Monthly Rollup:https://support.microsoft.com/help/5012626
https://support.microsoft.com/help/5012626
FixedWindows 7 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.25924:Monthly Rollup:https://support.microsoft.com/help/5012626
https://support.microsoft.com/help/5012626
FixedWindows 8.1 for 32-bit systemsmsrc_csaf
6.3.9600.20337:Security Only:https://support.microsoft.com/help/5012639
https://support.microsoft.com/help/5012639
FixedWindows 8.1 for x64-based systemsmsrc_csaf
6.3.9600.20337:Security Only:https://support.microsoft.com/help/5012639
https://support.microsoft.com/help/5012639
FixedWindows RT 8.1msrc_csaf
6.3.9600.20337:Monthly Rollup:https://support.microsoft.com/help/5012639
https://support.microsoft.com/help/5012639
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.25924:Monthly Rollup:https://support.microsoft.com/help/5012626
https://support.microsoft.com/help/5012626
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.25924:Monthly Rollup:https://support.microsoft.com/help/5012626
https://support.microsoft.com/help/5012626
FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.21446:Security Only:https://support.microsoft.com/help/5012632
https://support.microsoft.com/help/5012632
FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.21446:Security Only:https://support.microsoft.com/help/5012632
https://support.microsoft.com/help/5012632
FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.21446:Security Only:https://support.microsoft.com/help/5012632
https://support.microsoft.com/help/5012632
FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.21446:Security Only:https://support.microsoft.com/help/5012632
https://support.microsoft.com/help/5012632
FixedWindows Server 2012msrc_csaf
6.2.9200.23679:Monthly Rollup:https://support.microsoft.com/help/5012650
https://support.microsoft.com/help/5012650
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.23679:Monthly Rollup:https://support.microsoft.com/help/5012650
https://support.microsoft.com/help/5012650
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.20337:Security Only:https://support.microsoft.com/help/5012639
https://support.microsoft.com/help/5012639
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.20337:Security Only:https://support.microsoft.com/help/5012639
https://support.microsoft.com/help/5012639
FixedWindows Server 2016msrc_csaf
10.0.14393.5066:Security Update:https://support.microsoft.com/help/5012596
https://support.microsoft.com/help/5012596
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.5066:Security Update:https://support.microsoft.com/help/5012596
https://support.microsoft.com/help/5012596
FixedWindows Server 2019msrc_csaf
10.0.17763.2803:Security Update:https://support.microsoft.com/help/5012647
https://support.microsoft.com/help/5012647
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.2803:Security Update:https://support.microsoft.com/help/5012647
https://support.microsoft.com/help/5012647
FixedWindows Server 2022msrc_csaf
10.0.20348.643:Security Update:https://support.microsoft.com/help/5012604
https://support.microsoft.com/help/5012604
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.643:Security Update:https://support.microsoft.com/help/5012604
https://support.microsoft.com/help/5012604
FixedWindows Server, version 20H2 (Server Core Installation)msrc_csaf
10.0.19042.1645:Security Update:https://support.microsoft.com/help/5012599
https://support.microsoft.com/help/5012599

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.8–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94US

exploits (10)

Public proof-of-concept and weaponised exploit code.

Lay0us/CVE-2022-26809-RCEThis repository contains a PoC for remote code execution CVE-2022-26809PoC · poc_in_github
auduongxuan/CVE-2022-26809auduongxuan/CVE-2022-26809PoC · poc_in_github
corelight/cve-2022-26809Detects attempts and successful exploitation of CVE-2022-26809PoC · poc_in_github
fuckjsonp/FuckJsonp-RCE-CVE-2022-26809-SQL-XSS-FuckJsonp警惕一种针对红队的新型溯源手段!PoC · poc_in_github
michealadams30/Cve-2022-26809michealadams30/Cve-2022-26809PoC · poc_in_github
oppongjohn/CVE-2022-26809-RCECVE-2022-26809-RCEPoC · poc_in_github

affected products (156)

Products and version ranges known to be affected.

Xerox FreeFlow Print Serverall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v2
Xerox FreeFlow Print Server 9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:9
Microsoft Windows 10 Version 150710.0.10240.0 → 10.0.10240.19265enisa_euvdEU
Microsoft Windows 10 Version 160710.0.14393.0 → 10.0.14393.5066enisa_euvdEU
Microsoft Windows 10 Version 180910.0.0 → 10.0.17763.2803enisa_euvdEU
Microsoft Windows 10 Version 180910.0.17763.0 → 10.0.17763.2803enisa_euvdEU
Microsoft Windows 10 Version 190910.0.0 → 10.0.18363.2212enisa_euvdEU
Microsoft Windows 10 Version 20H210.0.0 → 10.0.19042.1645enisa_euvdEU
Microsoft Windows 10 Version 21H110.0.0 → 10.0.19043.1645enisa_euvdEU
Microsoft Windows 10 Version 21H210.0.19043.0 → 10.0.19044.1645enisa_euvdEU
Microsoft Windows 11 version 21H210.0.0 → 10.0.22000.613enisa_euvdEU
Microsoft Windows 76.1.0 → 6.1.7601.25924enisa_euvdEU
Microsoft Windows 7 Service Pack 16.1.0 → 6.1.7601.25924enisa_euvdEU
Microsoft Windows 8.16.3.0 → 6.3.9600.20337enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 16.1.7601.0 → 6.1.7601.25924enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 → 6.1.7601.25924enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 26.0.6003.0 → 6.0.6003.21446enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 → 6.0.6003.21446enisa_euvdEU
Microsoft Windows Server 20126.2.9200.0 → 6.2.9200.23679enisa_euvdEU
Microsoft Windows Server 2012 (Server Core installation)6.2.9200.0 → 6.2.9200.23679enisa_euvdEU

showing 20 of 156

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0838Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2022-05-11csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um beliebigen Programmcode auszuführen, einen Cross-Site-Scripting-Angriff durchzuführen, Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen oder Dateien zu manipulieren.
msrc_CVE-2022-26809Remote Procedure Call Runtime Remote Code Execution Vulnerability2022-04-12csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf NVD CVE.org MITRE

published 2022-04-15modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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