CVE-2015-1770

HIGHNVD 8.89.0▲Trending — 4 sources updated this weekExploited in the wild

8.8

Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Uninitialized Memory Use Vulnerability."

CVSS v3: 8.8
EG Score: 9.0(high)
EPSS: 99.1%
KEV: ⚠ Exploited

Published

June 10, 2015

Last Modified

April 22, 2026

Advisory Details (3)

Auto-updated May 2, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1770

generic

Microsoft Security Bulletin MS15-059 - Important | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-059

generic

http://www.securityfocus.com/bid/75016

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-824Access of Uninitialized Pointer

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 16:09 UTCEG score recompute
2026-06-03 16:09 UTCGHSA enrichment
2026-06-03 11:54 UTCEG score recompute
2026-06-03 11:54 UTCGHSA enrichment
2026-06-03 07:39 UTCEG score recompute
2026-06-03 07:39 UTCGHSA enrichment
2026-06-03 03:24 UTCEG score recompute
2026-06-03 03:24 UTCGHSA enrichment
2026-06-02 23:09 UTCEG score recompute
2026-06-02 23:09 UTCGHSA enrichment
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 18:55 UTCEG score recompute
2026-06-02 18:55 UTCGHSA enrichment
2026-06-02 18:32 UTCkev_newly_listed
2026-06-02 14:41 UTCEG score recompute
2026-06-02 14:41 UTCGHSA enrichment
2026-06-02 10:27 UTCEG score recompute
2026-06-02 10:27 UTCGHSA enrichment
2026-06-02 06:13 UTCEG score recompute

Frequently asked(6)

What is CVE-2015-1770?

CVE-2015-1770 is a high vulnerability published on June 10, 2015. Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Uninitialized Memory Use Vulnerability."

When was CVE-2015-1770 disclosed?

CVE-2015-1770 was first published in the National Vulnerability Database on June 10, 2015, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-1770 actively exploited?

Yes. CISA added CVE-2015-1770 to the Known Exploited Vulnerabilities catalog on March 28, 2022, affecting Microsoft Office. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2015-1770?

CVE-2015-1770 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2015-1770?

CVE-2015-1770 affects Microsoft Office. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2015-1770?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-1770, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2015-1770

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Is Your Infrastructure Affected by CVE-2015-1770?

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CVE-2015-1770

📅 Published

🔄 Last Modified

📋 Advisory Details (3)