CVE-2022-37966

highpriority · track · 1OT risk · elevatedEPSS 0.025 · 85 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.53% (85th) EPSS

CVSS 8.1 · high

Is it mine?

67 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability

cvss

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

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.1highAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.2 · impact 5.9

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.1highCVSS:3.1/AV:N/AC:H/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: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-326USCWE-327US

affected products (67)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
HPE HP-UX (CIFS) Client/Server <B.04.18.01.00all versionscert_bundDE
IBM QRadar SIEM 7.5all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.5
Open Source CentOSall versionscert_bundDEcpe:/o:centos:centos:-
Open Source Samba <4.15.13all versionscert_bundDE
Open Source Samba <4.16.8all versionscert_bundDE
Open Source Samba <4.16.9all versionscert_bundDE
Open Source Samba <4.17.4all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
QNAP NASall versionscert_bundDEcpe:/h:qnap:nas:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat OpenShift Container Platformall versionscert_bundDEcpe:/a:redhat:openshift:container_platform
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Synology DiskStation Manager Directory Serverall versionscert_bundDEcpe:/a:synology:diskstation_manager:::directory_server
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
HPE HP-UX≤ (CIFS) Client/Server <B.04.18.01.00cert_bundDE
Open Source Samba< 4.15.13cert_bundDE
Open Source Samba< 4.16.8cert_bundDE
Open Source Samba< 4.16.9cert_bundDE

showing 20 of 67

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-2365Samba: Mehrere Schwachstellen ermöglichen PrivilegieneskalationDeutsch2022-12-18csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Samba ausnutzen, um seine Privilegien zu erhöhen.
msrc_CVE-2022-37966Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability2022-11-08csaf · 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 2022-11-09modified 2026-08-10

references (16)

External citations — patches, advisories, analysis.

scry

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