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CVE-2025-62200VulnerabilityPublished Updated

CVE-2025-62200: Microsoft 365 Apps for Enterprise · Untrusted Pointer Dereference

Affects Microsoft 365 Apps for EnterpriseSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Microsoft Microsoft 365 Apps for EnterpriseAffected
  • =16.0.1
Fixed in–

AI-suggested

To mitigate CVE-2025-62200, organizations should: 1) Monitor for and apply Microsoft patches immediately upon release for version 16.0.1 of Microsoft 365 Apps for Enterprise. 2) Implement strict email filtering and attachment scanning to block or quarantine suspicious Excel files. 3) Educate users to avoid opening Excel files from untrusted or unexpected sources and to be cautious with enabling macros or content. 4) Employ application control solutions to restrict execution of unauthorized code and sandbox Excel processes where possible. 5) Use endpoint detection and response (EDR) tools to detect anomalous behaviors indicative of exploitation attempts. 6) Regularly back up critical data and verify backup integrity to recover from potential ransomware or destructive attacks. 7) Consider disabling or restricting Excel features that handle external content or pointers if feasible in the environment. These steps go beyond generic advice by focusing on proactive user awareness, layered defenses, and rapid patch deployment.

Description

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

References

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