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Vulnerability Intelligence

CVE-2022-41033

HighExploitedPublic exploit

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Published Oct 11, 2022 · Updated Jan 13, 2026

Key Facts

Patch immediately
  • CVE-2022-41033 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft) and 22 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 11, 2022. Public exploit code is available.
  • EPSS estimates a 1.9% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Windows 10 1507 10.0.10240.19507, Windows 10 1607 10.0.14393.5427, Windows 10 1809 10.0.17763.3532.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.8

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

1.9%

Higher than 79.1% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2022-41033 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Windows COM+ Event System Service Elevation of Privilege Vulnerability

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVOct 11, 2022Nov 1, 2022Not reported
Industry KEV feedOct 11, 2022Nov 1, 2022Not reported
CIRCL KEVOct 11, 2022Nov 1, 2022Not reported
ENISA EUVDOct 11, 2022n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

43 affected entries in total
ProductAffected versionsFixed in
Windows 10 1507MicrosoftSee advisory10.0.10240.19507
Windows 10 1607MicrosoftSee advisory10.0.14393.5427
Windows 10 1809MicrosoftSee advisory10.0.17763.3532
Windows 10 20h2MicrosoftSee advisory10.0.19042.2130
Windows 10 21h1MicrosoftSee advisory10.0.19043.2130
20 more affected products in the full CVE brief

Patched Releases

Windows 10 1507

10.0.10240.19507

Windows 10 1607

10.0.14393.5427

Windows 10 1809

10.0.17763.3532

Windows 10 20h2

10.0.19042.2130

Windows 10 21h1

10.0.19043.2130

Windows 10 21h2

10.0.19044.2130

Windows 11 21h2

10.0.22000.1098

Windows 11 22h2

10.0.22621.674

Windows Server 2016

10.0.14393.5427

Windows Server 2019

10.0.17763.3532

Windows Server 2022

10.0.20348.1129

Windows 10 Version 1507

10.0.10240.19507

Windows 10 Version 1607

10.0.14393.5427

Windows 10 Version 1809

10.0.17763.3532

Windows 10 Version 20H2

10.0.19042.2130

Windows 10 Version 21H1

10.0.19043.2130

Windows 10 Version 21H2

10.0.19044.2130

Windows 11 version 21H2

10.0.22000.1098

Windows 11 version 22H2

10.0.22621.674

Windows 7

6.1.7601.26174

Windows 7 Service Pack 1

6.1.7601.26174

Windows 8.1

6.3.9600.20625

Windows Server 2008 Service Pack 2

6.0.6003.21721

Windows Server 2008 R2 Service Pack 1

6.1.7601.26174

Windows Server 2008 R2 Service Pack 1 (Server Core installation)

6.1.7601.26174

Timeline

  1. Publicly disclosed

    Oct 11, 2022

  2. Added to CISA KEV

    Oct 11, 2022

  3. Added to Industry KEV feed

    Oct 11, 2022

  4. Added to CIRCL KEV

    Oct 11, 2022

  5. Added to ENISA EUVD

    Oct 11, 2022

  6. Last updated

    Jan 13, 2026

Weakness Type

  • CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

References

1 more references in the full CVE brief

FAQ

Common Questions.

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