Security protection bypass via undisclosed mechanism
Published Jul 14, 2021 · Updated Aug 10, 2026
Security feature bypass in Microsoft Office and Microsoft 365 Apps allows remote attackers to bypass an unspecified protection. Microsoft has not disclosed the affected Office component, the untrusted input, the security decision it influences, or the protection bypassed. Exploitation requires user interaction with attacker-controlled content; consequences beyond bypassing the unnamed protection are unspecified.
Summary
What happened
Security feature bypass in Microsoft Office and Microsoft 365 Apps allows remote attackers to bypass an unspecified protection. Microsoft has not disclosed the affected Office component, the untrusted input, the security decision it influences, or the protection bypassed. Exploitation requires user interaction with attacker-controlled content; consequences beyond bypassing the unnamed protection are unspecified.
The record
- CVE
- CVE-2021-34469
- Published
- Jul 14, 2021
- Updated
- Aug 10, 2026
- Vendor
- Microsoft
- Product
- Microsoft Office 2016
- Classifications
- Unavailable
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 14, 2021CVE publishedPublication date reported by the CVE source.
- Aug 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=16.0.0 <16.0.5188.1000
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
No sourced classifications are available.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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