Information disclosure in Microsoft Windows 10 1607
CVE-2026-33829
Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.
Vulnerability class: Information Disclosure
EPSS: 0.034 (87.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
Affected products
- Microsoft Windows_10_1607
- Microsoft Windows_10_1809
- Microsoft Windows_10_21h2
- Microsoft Windows_10_22h2
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19044.0
- Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
- Microsoft Windows_11_23h2
- Microsoft Windows_11_24h2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Windows Snipping Tool Spoofing Vulnerability (vendor-advisory, patch, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
Frequently asked questions
- What is CVE-2026-33829?
- CVE-2026-33829 is a medium-severity vulnerability in Microsoft Windows 10 1607, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-04-14.
- How severe is CVE-2026-33829?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2026-33829 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.