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PatchSiren cyber security CVE debrief

CVE-2026-108435 Microsoft CVE debrief

CVE-2026-108435 is a medium-severity vulnerability in Microsoft Office Word that allows an unauthorized attacker to disclose information over a network. The vulnerability is caused by an untrusted pointer dereference. Defenders responsible for Microsoft Office Word deployments, particularly those handling sensitive information, should assess potential exposure and impact. The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the scope of affected versions and potential impact.

Vendor
Microsoft
Product
Microsoft 365 Apps for Enterprise
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-15
Original CVE updated
2026-10-16
Advisory published
2026-10-15
Advisory updated
2026-10-16

Who should care

Defenders responsible for Microsoft Office Word deployments, particularly those handling sensitive information, should assess potential exposure and impact.

Why it matters

CVE-2026-108435 is a medium-severity vulnerability in Microsoft Office Word that allows an unauthorized attacker to disclose information over a network. Defenders should prioritize verifying exposure and assessing potential impact on Microsoft Office Word deployments, particularly those handling sensitive information.

  • Potential information disclosure over the network
  • Verification of Microsoft Office Word deployments for exposure
  • Assessment of sensitive information handling risks

Technical summary

The vulnerability is caused by an untrusted pointer dereference in Microsoft Office Word, allowing an unauthorized attacker to disclose information over a network. This issue affects Microsoft Office Word deployments, particularly those handling sensitive information. Defenders should prioritize verifying exposure and assessing potential impact on Microsoft Office Word deployments.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact on Microsoft Office Word deployments.

Recommended defensive actions

  • Verify Microsoft Office Word deployments for potential exposure
  • Assess the impact of the vulnerability on sensitive information disclosure
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the scope of affected versions and potential impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-108435 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-108435

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-108435 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-108435

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.