Windows Schannel Remote Code Execution Vulnerability (Microsoft Windows 11 version 22H2)

CVE-2025-29828

HIGH 8.1

At a glance

Source: NVD
EPSS: EPSS 1.26 % · percentile 70 (2026-10-31)
State: PUBLISHED
Published: 2025-06-10 17:02 UTC
Updated: 2026-02-26 17:50 UTC
Assigner: microsoft
NVD status: Analyzed

Search on…

Description

Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to execute code over a network.

Weaknesses (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29828

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)

European references

ENISA EUVD · EUVD-2025-17793
GCVE · GCVE-0-2025-29828

CERT-FR advisories

CERTFR-2025-AVI-0499 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* < 10.0.22621.5472
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* < 10.0.22631.5472
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* < 10.0.26100.4270
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.3745
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* < 10.0.25398.1665
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* < 10.0.26100.4270

Affected products

Product	Versions
Microsoft · Windows 11 version 22H2	affected 10.0.22621.0 < 10.0.22621.5472
Microsoft · Windows 11 version 22H3	affected 10.0.22631.0 < 10.0.22631.5472
Microsoft · Windows 11 Version 23H2	affected 10.0.22631.0 < 10.0.22631.5472
Microsoft · Windows 11 Version 24H2	affected 10.0.26100.0 < 10.0.26100.4349
Microsoft · Windows Server 2022	affected 10.0.20348.0 < 10.0.20348.3807
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)	affected 10.0.25398.0 < 10.0.25398.1665
Microsoft · Windows Server 2025	affected 10.0.26100.0 < 10.0.26100.4349
Microsoft · Windows Server 2025 (Server Core installation)	affected 10.0.26100.0 < 10.0.26100.4349

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD