How severe is CVE-2026-24882?

CVE-2026-24882 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-24882 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24882?

CVE-2026-24882 primarily affects Gnupg. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-24882?

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-2026-24882 have an EU (EUVD) identifier?

Yes. CVE-2026-24882 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4769.

When was CVE-2026-24882 published?

CVE-2026-24882 was published on 2026-01-27 and last updated on 2026-06-30.

CVE-2026-24882

CVE-2026-24882 is a high-severity vulnerability in Gnupg with a CVSS 3.x base score of 8.4. 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-121.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4769
Weakness: CWE-121
Affected product: Gnupg
Published: 2026-01-27
Last modified: 2026-06-30

Description

In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys.

Frequently asked questions

What is CVE-2026-24882?: In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT command for TPM-backed RSA and ECC keys.
How severe is CVE-2026-24882?: CVE-2026-24882 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-24882 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24882?: CVE-2026-24882 primarily affects Gnupg. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-24882?: 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-2026-24882 have an EU (EUVD) identifier?: Yes. CVE-2026-24882 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4769.
When was CVE-2026-24882 published?: CVE-2026-24882 was published on 2026-01-27 and last updated on 2026-06-30.

References

Affected products (2)

cpe:2.3:a:gnupg:gnupg:*:*:*:*:-:*:*:*
cpe:2.3:a:gpg4win:gpg4win:*:*:*:*:*:*:*:*

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