How severe is CVE-2008-0121?

CVE-2008-0121 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-0121 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0121?

CVE-2008-0121 affects Microsoft Office Powerpoint Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-0121?

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-2008-0121 published?

CVE-2008-0121 was published on 2008-08-13 and last updated on 2026-06-16.

CVE-2008-0121

CVE-2008-0121 is a critical-severity vulnerability in Microsoft Office Powerpoint Viewer with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 31% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 31% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Office Powerpoint Viewer
Published: 2008-08-13
Last modified: 2026-06-16

Description

A "memory calculation error" in Microsoft PowerPoint Viewer 2003 allows remote attackers to execute arbitrary code via a PowerPoint file with an invalid picture index that triggers memory corruption, aka "Memory Calculation Vulnerability."

Frequently asked questions

What is CVE-2008-0121?: A "memory calculation error" in Microsoft PowerPoint Viewer 2003 allows remote attackers to execute arbitrary code via a PowerPoint file with an invalid picture index that triggers memory corruption, aka "Memory Calculation Vulnerability."
How severe is CVE-2008-0121?: CVE-2008-0121 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-0121 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-0121?: CVE-2008-0121 affects Microsoft Office Powerpoint Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-0121?: 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-2008-0121 published?: CVE-2008-0121 was published on 2008-08-13 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:office_powerpoint_viewer:2003:*:*:*:*:*:*:*

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