How severe is CVE-2025-29822?

CVE-2025-29822 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-29822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29822?

CVE-2025-29822 primarily affects Microsoft Office. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-29822?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-29822 have an EU (EUVD) identifier?

Yes. CVE-2025-29822 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10117.

When was CVE-2025-29822 published?

CVE-2025-29822 was published on 2025-04-08 and last updated on 2026-06-17.

CVE-2025-29822

CVE-2025-29822 is a high-severity vulnerability in Microsoft Office with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-184.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10117
Weakness: CWE-184
Affected product: Microsoft Office
Published: 2025-04-08
Last modified: 2026-06-17

Description

Incomplete list of disallowed inputs in Microsoft Office OneNote allows an unauthorized attacker to bypass a security feature locally.

Frequently asked questions

What is CVE-2025-29822?: Incomplete list of disallowed inputs in Microsoft Office OneNote allows an unauthorized attacker to bypass a security feature locally.
How severe is CVE-2025-29822?: CVE-2025-29822 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-29822 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29822?: CVE-2025-29822 primarily affects Microsoft Office. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-29822?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-29822 have an EU (EUVD) identifier?: Yes. CVE-2025-29822 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10117.
When was CVE-2025-29822 published?: CVE-2025-29822 was published on 2025-04-08 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29822

Affected products (10)

cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x64:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x64:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:onenote:-:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:onenote:2016:*:*:*:*:*:*:*

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