How severe is CVE-2009-1061?

CVE-2009-1061 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-1061 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1061?

CVE-2009-1061 affects Adobe Acrobat Reader. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-1061?

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

When was CVE-2009-1061 published?

CVE-2009-1061 was published on 2009-03-25 and last updated on 2026-06-16.

CVE-2009-1061

CVE-2009-1061 is a critical-severity vulnerability in Adobe Acrobat Reader with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Adobe Acrobat Reader
Published: 2009-03-25
Last modified: 2026-06-16

Description

Unspecified vulnerability in Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 might allow remote attackers to execute arbitrary code via unknown attack vectors related to JBIG2 and "input validation," a different vulnerability than CVE-2009-0193 and CVE-2009-1062.

Frequently asked questions

What is CVE-2009-1061?: Unspecified vulnerability in Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 might allow remote attackers to execute arbitrary code via unknown attack vectors related to JBIG2 and "input validation," a different vulnerability than CVE-2009-0193 and CVE-2009-1062.
How severe is CVE-2009-1061?: CVE-2009-1061 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1061 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1061?: CVE-2009-1061 affects Adobe Acrobat Reader. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1061?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1061 published?: CVE-2009-1061 was published on 2009-03-25 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*

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