NVD / CVE Program· CNA microsoft

CVE-2025-47165: Microsoft Excel Remote Code Execution Vulnerability

HighCVSS 7.8 · v3.1—Proof of concept No fix recorded

Noroxi assessment

Priority: Monitor (action score 32/100)

Public proof-of-concept code exists (Exploit-DB); there is no record of exploitation in the wild.
Probability of exploitation in the next 30 days: 2.2% (FIRST EPSS); higher than 83.4% of all records.
Someone with local access to the system can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

BDU:2025-07095

Published: Jun 10, 2025
Updated: Jun 17, 2026
EPSS: 2.2% · 83th percentile
CWE: CWE-416

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 31 / 40 · 7.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 1 / 30 · 2.2%

CISA SSVC decision

Exploitation: none
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · microsoft: 7.8; NVD has not scored this yet; the score shown is the CNA’s.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
Proof of concept exists, no weaponized module
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
microsoft	365 apps	cpe:2.3:a:microsoft:365_apps
microsoft	excel	cpe:2.3:a:microsoft:excel
microsoft	office	cpe:2.3:a:microsoft:office
microsoft	office long term servicing channel	cpe:2.3:a:microsoft:office_long_term_servicing_channel
microsoft	office online server	cpe:2.3:a:microsoft:office_online_server

Versions reported by the vendor

Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.

Microsoft Microsoft 365 Apps for Enterprise
- 16.0.1 and later · before https://aka.ms/OfficeSecurityReleasesaffected
Microsoft Microsoft Excel 2016
- 16.0.0.0 and later · before 16.0.5504.1000affected
Microsoft Microsoft Office 2019
- 19.0.0 and later · before https://aka.ms/OfficeSecurityReleasesaffected
Microsoft Microsoft Office LTSC 2021
- 16.0.1 and later · before https://aka.ms/OfficeSecurityReleasesaffected
Microsoft Microsoft Office LTSC 2024
- 16.0.0 and later · before https://aka.ms/OfficeSecurityReleasesaffected
Microsoft Microsoft Office LTSC for Mac 2021
- 16.0.1 and later · before 16.98.25060824affected
Microsoft Microsoft Office LTSC for Mac 2024
- 16.0.0 and later · before 16.98.25060824affected
Microsoft Office Online Server
- 16.0.0.0 and later · before 16.0.10417.20018affected

Affected versions · NVD (6)

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

microsoft 365 appsall versions
microsoft excel2016
microsoft office2019
microsoft office long term servicing channel2021
microsoft office long term servicing channel2024
microsoft office online serverbefore 16.0.10417.20018

Same product

microsoft: all records

Other highest-scoring records for the same primary product.

CVE-2023-23397Microsoft Outlook Elevation of Privilege VulnerabilityKEV
98Now
CVE-2024-21413Microsoft Outlook Remote Code Execution VulnerabilityKEV
97Now
CVE-2026-21509Microsoft Office Security Feature Bypass VulnerabilityKEV
82Now

Published before and after this one in the same product

← EarlierCVE-2025-47162Jun 10, 2025 · Microsoft Office Remote Code Execution Vulnerability
33Monitor
← EarlierCVE-2025-47164Jun 10, 2025 · Microsoft Office Remote Code Execution Vulnerability
33Monitor
Later →CVE-2025-47167Jun 10, 2025 · Microsoft Office Remote Code Execution Vulnerability
33Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Exploit-DB entry	remote	2025-06-26

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

PublishedJun 10, 2025
First PoCJun 26, 2025+15 d
TodayNov 12, 2026+520 d

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2026-88178490 days apartMicrosoft Office PowerPoint Remote Code Execution Vulnerability
39Monitor
CVE-2026-62870419 days apartMicrosoft Excel Remote Code Execution Vulnerability
35Monitor
CVE-2026-69767455 days apartMicrosoft Office PowerPoint Remote Code Execution Vulnerability
35Monitor
CVE-2026-78507455 days apartMicrosoft Office Word Remote Code Execution Vulnerability
35Monitor
CVE-2026-78514455 days apartMicrosoft Office Word Remote Code Execution Vulnerability
35Monitor
CVE-2026-78525455 days apartMicrosoft Office Outlook Remote Code Execution Vulnerability
35Monitor

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · public bounty program.

Technical details

Attack conditions

Someone with local access to the system can trigger it.
No account or password is required.
A user must open a link or visit a page.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-416 · Use After Free

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd-secondary

Root cause

After a memory region is freed, another reference pointing to it is still used. By then, the same region may have been allocated for different data.

The bug in code

The whole CWE-416 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1free(dev->buf);
2/* ... another thread is still running ... */
3process(dev->buf);

Fixed

1lock(&dev->lock);
2free(dev->buf);
3dev->buf = NULL;
4unlock(&dev->lock);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log (0)

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47165

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records