How severe is CVE-2021-40727?

CVE-2021-40727 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-2021-40727 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40727?

CVE-2021-40727 affects Adobe Indesign. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40727?

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.

When was CVE-2021-40727 published?

CVE-2021-40727 was published on 2022-06-15 and last updated on 2026-06-17.

CVE-2021-40727

CVE-2021-40727 is a high-severity vulnerability in Adobe Indesign 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-788.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-788
Affected product: Adobe Indesign
Published: 2022-06-15
Last modified: 2026-06-17

Description

Access of Memory Location After End of Buffer (CWE-788

Frequently asked questions

What is CVE-2021-40727?: Access of Memory Location After End of Buffer (CWE-788
How severe is CVE-2021-40727?: CVE-2021-40727 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-2021-40727 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40727?: CVE-2021-40727 affects Adobe Indesign. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40727?: 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.
When was CVE-2021-40727 published?: CVE-2021-40727 was published on 2022-06-15 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/indesign/apsb21-73.html

Affected products (1)

cpe:2.3:a:adobe:indesign:*:*:*:*:*:*:*:*

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