How severe is CVE-2000-0277?

CVE-2000-0277 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2000-0277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0277?

CVE-2000-0277 primarily affects Microsoft Excel. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0277?

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-2000-0277 published?

CVE-2000-0277 was published on 2000-04-03 and last updated on 2026-06-16.

CVE-2000-0277

CVE-2000-0277 is a high-severity vulnerability in Microsoft Excel with a CVSS 2.0 base score of 7.2. 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-254.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Microsoft Excel
Published: 2000-04-03
Last modified: 2026-06-16

Description

Microsoft Excel 97 and 2000 does not warn the user when executing Excel Macro Language (XLM) macros in external text files, which could allow an attacker to execute a macro virus, aka the "XLM Text Macro" vulnerability.

Frequently asked questions

What is CVE-2000-0277?: Microsoft Excel 97 and 2000 does not warn the user when executing Excel Macro Language (XLM) macros in external text files, which could allow an attacker to execute a macro virus, aka the "XLM Text Macro" vulnerability.
How severe is CVE-2000-0277?: CVE-2000-0277 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2000-0277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0277?: CVE-2000-0277 primarily affects Microsoft Excel. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0277?: 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-2000-0277 published?: CVE-2000-0277 was published on 2000-04-03 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:excel:97:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:excel:2000:*:*:*:*:*:*:*

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