How severe is CVE-2015-1639?

CVE-2015-1639 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-1639 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1639?

CVE-2015-1639 affects Microsoft Office. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-1639?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-1639 published?

CVE-2015-1639 was published on 2015-04-14 and last updated on 2026-06-17.

CVE-2015-1639

CVE-2015-1639 is a medium-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Office
Published: 2015-04-14
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Microsoft Office for Mac 2011 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka "Microsoft Outlook App for Mac XSS Vulnerability."

Frequently asked questions

What is CVE-2015-1639?: Cross-site scripting (XSS) vulnerability in Microsoft Office for Mac 2011 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka "Microsoft Outlook App for Mac XSS Vulnerability."
How severe is CVE-2015-1639?: CVE-2015-1639 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-1639 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1639?: CVE-2015-1639 affects Microsoft Office. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-1639?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1639 published?: CVE-2015-1639 was published on 2015-04-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:office:2011:*:mac:*:*:*:*:*

More vulnerabilities in Microsoft Office

CVE-2007-0065 — Critical (CVSS 10.0): Heap-based buffer overflow in Object Linking and Embedding (OLE) Automation in Microsoft Windows 2000 SP4, XP SP2,…
CVE-2003-0347 — Critical (CVSS 10.0): Heap-based buffer overflow in VBE.DLL and VBE6.DLL of Microsoft Visual Basic for Applications (VBA) SDK 5.0 through 6.3…
CVE-2000-0854 — Critical (CVSS 10.0): When a Microsoft Office 2000 document is launched, the directory of that document is first used to locate DLL's such as…
CVE-2025-53766 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
CVE-2023-23397 — Critical (CVSS 9.8): Microsoft Outlook Elevation of Privilege Vulnerability
CVE-2023-21716 — Critical (CVSS 9.8): Microsoft Word Remote Code Execution Vulnerability

All CVEs affecting Microsoft Office →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →