November 13, 2026 Follow Egret
CVE-2026-119889 · CVE record: PUBLISHED

ActiveSyncProvider Information Disclosure Vulnerability

Microsoft Windows 10 Version 1607, Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 21H2, Microsoft Windows 10 Version 22H2, Microsoft Windows 11 version 23H2, Microsoft Windows 11 Version 23H2, Microsoft Windows 11 Version 24H2, Microsoft Windows 11 Version 25H2, Microsoft Windows 11 version 26H1, Microsoft Windows 11 Version 26H2

Out-of-bounds read in ActiveSyncProvider allows an unauthorized attacker to disclose information over a network.

Exploitation evidence

Not listed in the latest downloaded CISA KEV catalog. This does not establish an absence of exploitation.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

Microsoft / Windows 10 Version 1607

Default status: Not specified

  • affected: 10.0.14393.0 to < 10.0.14393.9688 (custom)

Microsoft / Windows 10 Version 1809

Default status: Not specified

  • affected: 10.0.17763.0 to < 10.0.17763.9487 (custom)

Microsoft / Windows 10 Version 21H2

Default status: Not specified

  • affected: 10.0.19044.0 to < 10.0.19044.7846 (custom)

Microsoft / Windows 10 Version 22H2

Default status: Not specified

  • affected: 10.0.19045.0 to < 10.0.19045.7846 (custom)

Microsoft / Windows 11 version 23H2

Default status: Not specified

  • affected: 10.0.22631.0 to < 10.0.22631.7711 (custom)

Microsoft / Windows 11 Version 23H2

Default status: Not specified

  • affected: 10.0.22631.0 to < 10.0.22631.7711 (custom)

Microsoft / Windows 11 Version 24H2

Default status: Not specified

  • affected: 10.0.26100.0 to < 10.0.26100.9974 (custom)

Microsoft / Windows 11 Version 25H2

Default status: Not specified

  • affected: 10.0.26200.0 to < 10.0.26200.9974 (custom)

Microsoft / Windows 11 version 26H1

Default status: Not specified

  • affected: 10.0.28000.0 to < 10.0.28000.3501 (custom)

Microsoft / Windows 11 Version 26H2

Default status: Not specified

  • affected: 10.0.26300.0 to < 10.0.26300.9974 (custom)

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Monitored source mentions

Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.00872,
  "percentile": 0.59369
}
12 Nov 2026, 18:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

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11 Nov 2026, 12:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

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