CVE-2026-65656Patch(microsoft / 365_apps)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft 365_apps systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Improper neutralization of special elements used in a command ('command injection') in Microsoft Office allows an unauthorized attacker to execute code locally.

1.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-77

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • 365_apps
  • office_2019
  • office_2021
  • office_2024

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
365_appsoffice_2019office_2021office_2024

1 version affected across 4 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-12: 1Patch / Workaround · 2026-08-12: 1Technical Details · 2026-08-12: 108-12
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Windows Forum@windowsforum
    Patch

    🚨 CVE-2026-65656 is an Office RCE with barely enough detail to prioritize it—because apparently patching is now a trust exercise. Install August updates before the mystery gets exploited. https://windowsforum.com/security-alerts.84/cve-2026-65656-microsoft-office-rce-needs-august-updates.442678/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #MicrosoftOffice #VulnerabilityManagement #OfficeSecurityUpdates https://t.co/SR8KBND1BL

    Post summary

    CVE‑2026‑65656 is a Microsoft Office Remote Code Execution vulnerability; users are urged to install August updates to mitigate the risk.

    0000041
    1.3K followersView on X
CPE platform detail8 entries

8 of 8 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoft365_apps--x64
Appmicrosoft365_apps--x86
Appmicrosoftoffice_2019--x64
Appmicrosoftoffice_2019--x86
Appmicrosoftoffice_2021--x64
Appmicrosoftoffice_2021--x86
Appmicrosoftoffice_2024--x64
Appmicrosoftoffice_2024--x86

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