VulnSocial

CVE-2026-65657General(microsoft / 365_apps)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

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

  • 365_apps
  • microsoft_365
  • office_2019
  • office_2021

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
365_appsmicrosoft_365office_2019office_2021office_2024

1 version affected across 5 products

Deep dive

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

    🛡️ “Remote code execution” doesn’t mean the attacker is remote—just that Office runs their code. CVE-2026-65657 is locally triggered, proving security labels love causing confusion. https://windowsforum.com/security-alerts.84/cve-2026-65657-office-rce-is-local-not-network-reachable.442677/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #MicrosoftOffice #RemoteCodeExecution #Cvss #Cve202665657 https://t.co/YhrMY2gcId

    Post summary

    The tweet clarifies that CVE-2026-65657 is an Office vulnerability that triggers a remote code execution locally, not over the network.

    0000040
    1.3K followersView on X
CPE platform detail11 entries

11 of 11 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoft365_apps--x64
Appmicrosoft365_apps--x86
Appmicrosoftmicrosoft_365-macos-
Appmicrosoftoffice_2019--x64
Appmicrosoftoffice_2019--x86
Appmicrosoftoffice_2021--x64
Appmicrosoftoffice_2021--x86
Appmicrosoftoffice_2021-macos-
Appmicrosoftoffice_2024--x64
Appmicrosoftoffice_2024--x86
Appmicrosoftoffice_2024-macos-

Explore more

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