CVE-2023-21811

Microsoft Windows 10 Version 1507

HIGH 7.5

At a glance

Source: NVD
EPSS: EPSS 1.65 % · percentile 76 (2026-10-28)
State: PUBLISHED
Published: 2023-02-14 19:33 UTC
Updated: 2026-08-19 16:26 UTC
Assigner: microsoft
NVD status: Modified

Description

Windows iSCSI Service Denial of Service Vulnerability

Weaknesses (CWE)

CWE-126 — Buffer Over-read

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21811

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · secure@microsoft.com (Secondary)

European references

ENISA EUVD · EUVD-2023-25977
GCVE · GCVE-0-2023-21811

CERT-FR advisories

CERTFR-2023-AVI-0130 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:* < 10.0.10240.19747
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* < 10.0.14393.5717
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* < 10.0.17763.4010
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* < 10.0.19042.2604
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* < 10.0.19044.2604
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* < 10.0.19045.2604
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* < 10.0.22000.1574
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* < 10.0.22621.1265
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · Windows 10 Version 1507	affected 10.0.10240.0 < 10.0.10240.19747
Microsoft · Windows 10 Version 1607	affected 10.0.14393.0 < 10.0.14393.5717
Microsoft · Windows 10 Version 1809	affected 10.0.17763.0 < 10.0.17763.4010
Microsoft · Windows 10 Version 1809	affected 10.0.0 < 10.0.17763.4010
Microsoft · Windows 10 Version 20H2	affected 10.0.0 < 10.0.19042.2604
Microsoft · Windows 10 Version 21H2	affected 10.0.19043.0 < 10.0.19044.2604
Microsoft · Windows 10 Version 22H2	affected 10.0.19045.0 < 10.0.19045.2604
Microsoft · Windows 11 version 21H2	affected 10.0.0 < 10.0.22621.1574
Microsoft · Windows 11 version 22H2	affected 10.0.22621.0 < 10.0.22621.1265
Microsoft · Windows Server 2008 Service Pack 2	affected 6.0.6003.0 < 6.0.6003.21915
Microsoft · Windows Server 2008 R2 Service Pack 1	affected 6.1.7601.0 < 6.1.7601.26366
Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)	affected 6.1.7601.0 < 6.1.7601.26366
Microsoft · Windows Server 2008 Service Pack 2	affected 6.0.6003.0 < 6.0.6003.21915
Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)	affected 6.0.6003.0 < 6.0.6003.21915
Microsoft · Windows Server 2012	affected 6.2.9200.0 < 6.2.9200.24116
Microsoft · Windows Server 2012 (Server Core installation)	affected 6.2.9200.0 < 6.2.9200.24116
Microsoft · Windows Server 2012 R2	affected 6.3.9600.0 < 6.3.9600.20821
Microsoft · Windows Server 2012 R2 (Server Core installation)	affected 6.3.9600.0 < 6.3.9600.20821
Microsoft · Windows Server 2016	affected 10.0.14393.0 < 10.0.14393.5717
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 < 10.0.14393.5717

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