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Vulnerabilities

Vulnerability · CVE-2015-1770

Microsoft Office Uninitialized Memory Use Vulnerability

Published Jun 9, 2015 · catalog updated Jun 16, 2026 · Microsoft Office

Patch now

CVE-2015-1770 is in the CISA known-exploited catalog, due Apr 18, 2022. Confirm Microsoft Office against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
34.99%
Remediation
Remediation guidance
Affected products
cpe microsoft/office · vendor Microsoft Office · vendor n/a n/a

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."

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/office2013
  • vendor Microsoft Officeversion unspecified
  • vendor n/a n/aversion unspecified

How to fix CVE-2015-1770

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2015-1770 is in the CISA known-exploited catalog, due Apr 18, 2022. Confirm Microsoft Office against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with 2013. Apply updates per vendor instructions.

What should an analyst verify?

CWE-19; CWE-824: Access of Uninitialized Pointer. EPSS 34.99%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 9, 2015 · Catalog

    Detected

    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."

  2. Mar 28, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 18, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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."

Sources

  • CISA KEVConfirmed exploitationCVE-2015-1770

    Microsoft Office allows remote attackers to execute arbitrary code via a crafted Office document.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2015-1770

    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."

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2015-1770

    30-day exploitation probability 35.0%

    first.org
  • NIST NVDVulnerability recordCVE-2015-1770

    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."

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2015-1770

    Microsoft Office allows remote attackers to execute arbitrary code via a crafted Office document.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.