Microsoft Windows up to Server 2022 Azure Edition Core Hotpatch Print Spooler Privilege Escalation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability, which was classified as critical, was found in Microsoft Windows (Operating System). This affects an unknown code of the component Print Spooler. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 02/08/2022 as confirmed security guidance (Website). It is possible to read the advisory at This vulnerability is uniquely identified as CVE-2022-22718. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Oliver Lyak (ly4k) in C# and been published before and not just after the advisory. It is declared as proof-of-concept. The exploit is shared for download at We expect the 0-day to have been worth approximately $100k and more.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.4

VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍

CNA Base Score: 7.8
CNA Vector (Microsoft): 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍


Class: Privilege Escalation
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Oliver Lyak (ly4k)
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍


01/06/2022 🔍
02/08/2022 +33 days 🔍
02/08/2022 +0 days 🔍
02/08/2022 +0 days 🔍
02/08/2022 +0 days 🔍
02/12/2022 +4 days 🔍



Status: Confirmed

CVE: CVE-2022-22718 (🔍)
scip Labs:


Created: 02/08/2022 09:18 PM
Updated: 02/12/2022 02:22 PM
Changes: 02/08/2022 09:18 PM (35), 02/08/2022 09:22 PM (19), 02/09/2022 08:31 AM (5), 02/09/2022 08:32 AM (4), 02/12/2022 02:18 PM (2), 02/12/2022 02:22 PM (11)
Complete: 🔍
Committer: misc


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