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Fencer Vulns
medium 4.3

CVE-2026-33829 json

Windows Snipping Tool Spoofing Vulnerability

published 2026-04-14 6 mo ago modified 2026-10-15 24 d ago also EUVD-2026-22649

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
1
Exploit-DB

Summary

Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.

Patch / fix

  • Microsoft Windows 10 Version 1607 10.0.14393.9060
  • Microsoft Windows 10 Version 1809 10.0.17763.8644
  • Microsoft Windows 10 Version 21H2 10.0.19044.7184
  • Microsoft Windows 10 Version 22H2 10.0.19045.7184
  • Microsoft Windows 11 version 23H2 10.0.22631.6936
  • Microsoft Windows 11 Version 24H2 10.0.26100.8246
  • Microsoft Windows 11 Version 25H2 10.0.26200.8246
  • Microsoft Windows 11 version 26H1 10.0.28000.1836
  • Microsoft Windows Server 2012 6.2.9200.26026
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.26026
  • Microsoft Windows Server 2012 R2 6.3.9600.23132
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.23132
  • Microsoft Windows Server 2016 10.0.14393.9060
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.9060
  • Microsoft Windows Server 2019 10.0.17763.8644
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.8644
  • Microsoft Windows Server 2022 10.0.20348.5020
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.2274
  • Microsoft Windows Server 2025 10.0.26100.32690
  • Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.32690

Timeline

  1. Published
  2. First public exploit (EDB-52567)

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
6 mo ago

Exploit prediction

3.51% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-52567 Windows Snipping Tool - NTLMv2 Hash Hijack local, 2026-05-15
  • github.com https://github.com/blackarrowsec/redteam-research/tree/master/CVE-2026-33829 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected products

  • Microsoft Windows 10 Version 1607
  • Microsoft Windows 10 Version 1809
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows 11 version 23H2
  • Microsoft Windows 11 Version 24H2
  • Microsoft Windows 11 Version 25H2
  • Microsoft Windows 11 version 26H1
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
  • Microsoft Windows Server 2025
  • Microsoft Windows Server 2025 (Server Core installation)

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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.