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Fencer Vulns
high 7.8

CVE-2023-32046 kev in the critical feed json

Windows MSHTML Platform Elevation of Privilege Vulnerability

published 2023-07-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36333

cvss
7.8
version 3.1, CNA
cisa kev
Exploited
added 2023-07-11
epss
10.0%
EPSS 10.0% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Windows MSHTML Platform Elevation of Privilege Vulnerability

Patch / fix

cisa required action Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

  • Microsoft Windows 10 Version 1809 10.0.17763.4645
  • Microsoft Windows Server 2019 10.0.17763.4645
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.4645
  • Microsoft Windows Server 2022 10.0.20348.1850
  • Microsoft Windows 11 version 21H2 10.0.22000.2176
  • Microsoft Windows 10 Version 21H2 10.0.19044.3208
  • Microsoft Windows 11 version 22H2 10.0.22621.1992
  • Microsoft Windows 10 Version 22H2 10.0.19045.3208
  • Microsoft Windows 10 Version 1507 10.0.10240.20048
  • Microsoft Windows 10 Version 1607 10.0.14393.6085
  • Microsoft Windows Server 2016 10.0.14393.6085
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.6085
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22175
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.22175
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22175
  • Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.26623
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.26623
  • Microsoft Windows Server 2012 6.2.9200.24374
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.24374
  • Microsoft Windows Server 2012 R2 6.3.9600.21063
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.21063

Timeline

  1. 0-day patched (Project Zero)
  2. Added to CISA KEV
  3. Published
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
3 y ago
Patch by
2023-08-01 (3 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Vendor, product
Microsoft, Windows
CISA name
Microsoft Windows MSHTML Platform Privilege Escalation Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Patched
2023-07-11
Details
project zero tracker

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

9.97% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 11 version 22H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows 10 Version 1507
  • Microsoft Windows 10 Version 1607
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 R2 Service Pack 1
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.