Review reviewHigh

CVE-2026-44799

Microsoft Remote Desktop client for Windows Desktop, Windows 10 Version 1607, Windows 10 Version 1809

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVSS
7.5
EPSS
0.46%
37.7% percentile
CISA KEV
Not listed
Published
2026.06.10
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.46%
Technical severityCVSS 7.5

Vulnerability overview

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Affected product and versions

Product
Microsoft Remote Desktop client for Windows Desktop, Windows 10 Version 1607, Windows 10 Version 1809
Affected versions
>= 1.2.0.0 < 1.2.7214.0, >= 10.0.14393.0 < 10.0.14393.9234, >= 10.0.17763.0 < 10.0.17763.8880, >= 10.0.19044.0 < 10.0.19044.7417, >= 10.0.19045.0 < 10.0.19045.7417, >= 10.0.22631.0 < 10.0.22631.7219, >= 10.0.26100.0 < 10.0.26100.8655, >= 10.0.26200.0 < 10.0.26200.8655, >= 10.0.28000.0 < 10.0.28000.2269, >= 1.00 < 2.0.1193.0, >= 6.2.9200.0 < 6.2.9200.26132, >= 6.3.9600.0 < 6.3.9600.23228, >= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995, < 1.2.7214, < 2.0.1193.0, < 10.0.14393.9234, < 10.0.17763.8880, < 10.0.19044.7417, < 10.0.19045.7417
Fixed versions
1.2.7214, 2.0.1193.0, 10.0.14393.9234, 10.0.17763.8880, 10.0.19044.7417, 10.0.19045.7417, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.20348.5256, 10.0.26100.32995

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Microsoft Remote Desktop client for Windows Desktop, Windows 10 Version 1607, Windows 10 Version 1809 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-122