CVE-2026-119871: Windows IP Translation Configuration Service Elevation of Privilege Vulnerability

Published Nov 10, 2026
·
Updated

Use after free in Windows IP Translation Configuration Service allows an authorized attacker to elevate privileges locally.

Other sources

Windows IP Translation Configuration Service Elevation of Privilege Vulnerability

— Microsoft

Affected Software

28 affected componentsFixes available
Microsoft Windows 11=26H2, >=10.0.26300<10.0.26300.9974, >=10.0.26300<10.0.26300.9911
10.0.26300.997410.0.26300.9911
Microsoft Windows 10=1607, >=10.0.14393<10.0.14393.9688
10.0.14393.9688
Microsoft Windows 10=1809, >=10.0.17763<10.0.17763.9487
10.0.17763.9487
Microsoft Windows 11=26H1, >=10.0.28000<10.0.28000.3501
10.0.28000.3501
Microsoft Windows 11=26H1, >=10.0.28000<10.0.28000.3501
10.0.28000.3501
Microsoft Windows 10=21H2, >=10.0.19044<10.0.19044.7846
10.0.19044.7846
Microsoft Windows 11=26H2, >=10.0.26300<10.0.26300.9974, >=10.0.26300<10.0.26300.9911
10.0.26300.997410.0.26300.9911
Microsoft Windows Server 2025<10.0.26100.33822
10.0.26100.33822
Microsoft Windows 11=24H2, >=10.0.26100<10.0.26100.9974, >=10.0.26100<10.0.26100.9911
10.0.26100.997410.0.26100.9911
Microsoft Windows Server 2025<10.0.26100.33822
10.0.26100.33822
Microsoft Windows 11=23H2, >=10.0.22631<10.0.22631.7711
10.0.22631.7711
Microsoft Windows 11=23H2, >=10.0.22631<10.0.22631.7711
10.0.22631.7711
Microsoft Windows 11=25H2, >=10.0.26200<10.0.26200.9974, >=10.0.26200<10.0.26200.9911
10.0.26200.997410.0.26200.9911
Microsoft Windows 10=22H2, >=10.0.19045<10.0.19045.7846
10.0.19045.7846
Microsoft Windows 10=21H2, >=10.0.19044<10.0.19044.7846
10.0.19044.7846
Microsoft Windows Server 2022<10.0.20348.5870
10.0.20348.5870
Microsoft Windows 10=22H2, >=10.0.19045<10.0.19045.7846
10.0.19045.7846
Microsoft Windows 11=24H2, >=10.0.26100<10.0.26100.9974, >=10.0.26100<10.0.26100.9911
10.0.26100.997410.0.26100.9911
Microsoft Windows 11=25H2, >=10.0.26200<10.0.26200.9974, >=10.0.26200<10.0.26200.9911
10.0.26200.997410.0.26200.9911
Microsoft Windows Server 2022<10.0.20348.5870
10.0.20348.5870
Microsoft Windows Server 2019<10.0.17763.9487
10.0.17763.9487
Microsoft Windows 10=21H2, >=10.0.19044<10.0.19044.7846
10.0.19044.7846
Microsoft Windows 10=1809, >=10.0.17763<10.0.17763.9487
10.0.17763.9487
Microsoft Windows 10=22H2, >=10.0.19045<10.0.19045.7846
10.0.19045.7846
Microsoft Windows Server 2019<10.0.17763.9487
10.0.17763.9487
Microsoft Windows Server 2016<10.0.14393.9688
10.0.14393.9688
Microsoft Windows Server 2016<10.0.14393.9688
10.0.14393.9688
Microsoft Windows 10=1607, >=10.0.14393<10.0.14393.9688
10.0.14393.9688

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26300.9974Fixed in 10.0.26300.9911Patch KB5132043
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.28000.3501Patch KB5132059
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.9487Patch KB5131085
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19044.7846Patch KB5131096
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.9688Patch KB5131291
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.9974Fixed in 10.0.26100.9911Patch KB5132043
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.33822Patch KB5131080
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22631.7711Patch KB5131087
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26200.9974Fixed in 10.0.26200.9911Patch KB5132043
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19045.7846Patch KB5131096
  11. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.20348.5870Patch KB5131090

Event History

Nov 10, 2026
CVE Published
via Microsoft·04:00 PM
Data Sourced
via Microsoft·04:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·06:23 PM
Data Sourced
via MITRE·06:23 PM
DescriptionSeverity
Data Sourced
via NVD·07:20 PM
DescriptionSeverityWeakness

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