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Vulnerabilities

Vulnerability · CVE-2026-69705

Out-of-bounds write in Windows iSCSI allows an unauthorized attacker to execute code over a network.

Published Oct 13, 2026 · catalog updated Oct 15, 2026 · Microsoft Windows

Check if you run it

No confirmed exploitation is on record for CVE-2026-69705. EPSS is 0.79%. Act only if a listed version of Microsoft Windows is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.79%
Remediation
Advisory link
Affected products
microsoft Windows 11 Version 26H2 for ARM64-based Systems

CVE-2026-69705 is listed by NCSC-2026-0423 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Windows.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • microsoft Windows 11 Version 26H2 for ARM64-based Systemsversion unspecified

How to fix CVE-2026-69705

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-69705. EPSS is 0.79%. Act only if a listed version of Microsoft Windows is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-787: Out-of-bounds Write. EPSS 0.79%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · NCSC Netherlands

    Detected

    Microsoft heeft 1159 kwetsbaarheden verholpen in Windows. Het voert te ver om iedere kwetsbaarheid te benoemen. De 53 ernstigste kwetsbaarheden, met een CVSS score van 9 en hoger zijn weergegeven in onderstaande lijst en geven een kwaadwillende de mogelijkheid om zich voor te doen als andere gebruiker, zich verhoogde rechten toe te kennen en willekeurige code uit te voeren. Deze kwetsbaarheden bev

  2. Oct 15, 2026 · NIST NVD

    Updated

    Out-of-bounds write in Windows iSCSI allows an unauthorized attacker to execute code over a network.

Sources

  • CVE.orgVulnerability recordCVE-2026-69705

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-69705

    30-day exploitation probability 0.8%

    first.org
  • Microsoft Security Update GuideVendor advisoryCVE-2026-69705

    Windows 11 Version 26H2 for ARM64-based Systems

    msrc.microsoft.com
  • NCSC NetherlandsGovernment advisoryCVE-2026-69705

    Microsoft heeft 1159 kwetsbaarheden verholpen in Windows. Het voert te ver om iedere kwetsbaarheid te benoemen. De 53 ernstigste kwetsbaarheden, met een CVSS score van 9 en hoger zijn weergegeven in onderstaande lijst en geven een kwaadwillende de mogelijkheid om zich voor te doe

    advisories.ncsc.nl
  • NIST NVDVulnerability recordCVE-2026-69705

    Out-of-bounds write in Windows iSCSI allows an unauthorized attacker to execute code over a network.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.