CVE-2015-1649 — Use-after-free vulnerability in Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps Server 2010 SP2 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Component Use After Free Vulnerability."

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HIGH

Use-after-free vulnerability in Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps Server 2010 SP2 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Component Use After Free Vulnerability."

Published Apr 14, 2015

9.3

HIGH

CVSS 2.0

EPSS 23.14%

Description

Use-after-free vulnerability in Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps Server 2010 SP2 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Component Use After Free Vulnerability."

Remediation

No remediation recorded yet.

Metrics

23.14% 0.23143

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.23143

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (20 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	23.14% (0.23143)	97.70th	v5 (v2026.06.15)
Jul 10, 2026	23.30% (0.23296)	97.51th	v5 (v2026.06.15)
Jun 15, 2026	25.74% (0.25741)	97.69th	v5 (v2026.06.15)
Dec 15, 2025	54.76% (0.54760)	97.92th	v4 (v2025.03.14)
Dec 13, 2025	49.50% (0.49497)	97.67th	v4 (v2025.03.14)
May 7, 2025	55.66% (0.55659)	97.91th	v4 (v2025.03.14)
Mar 19, 2025	40.67% (0.40673)	96.95th	v4 (v2025.03.14)
Mar 17, 2025	47.23% (0.47234)	97.40th	v4 (v2025.03.14)
Jan 8, 2025	91.77% (0.91770)	99.17th	v3 (v2023.03.01)
Dec 12, 2024	90.20% (0.90202)	98.95th	v3 (v2023.03.01)
Oct 8, 2024	89.82% (0.89819)	98.87th	v3 (v2023.03.01)
Jun 28, 2024	87.86% (0.87857)	98.69th	v3 (v2023.03.01)
Mar 21, 2024	89.92% (0.89922)	98.71th	v3 (v2023.03.01)
Feb 2, 2024	87.84% (0.87838)	98.43th	v3 (v2023.03.01)
Nov 7, 2023	90.80% (0.90798)	98.51th	v3 (v2023.03.01)
Mar 7, 2023	94.35% (0.94347)	98.66th	v3 (v2023.03.01)
Mar 6, 2023	63.49% (0.63493)	98.99th	v2 (v2022.01.01)
Nov 13, 2022	63.49% (0.63493)	98.95th	v2 (v2022.01.01)
Feb 15, 2022	61.30% (0.61305)	98.67th	v2 (v2022.01.01)
Feb 4, 2022	59.66% (0.59662)	98.59th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

http://www.securitytracker.com/id/1032104
vdb-entryx_refsource_SECTRACK
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-033
vendor-advisoryx_refsource_MS

Link	Providers	Tags
http://www.securitytracker.com/id/1032104		vdb-entryx_refsource_SECTRACK
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-033		vendor-advisoryx_refsource_MS

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Apr 14, 2015

Updated Aug 6, 2024

Reserved Feb 17, 2015

Link CVE-2015-1649

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-1649

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-1649