CVE-2026-97008

Q: How do I fix CVE-2026-97008?

Upgrade office online server to 16.0.10417.20228 or later.

Q: Is CVE-2026-97008 being actively exploited?

Not that we know of. CVE-2026-97008 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.72% is the estimated probability that it will be exploited in the next 30 days. That is higher than 53% of all scored CVEs.

Q: How severe is CVE-2026-97008?

CVE-2026-97008 has a CVSS v3 base score of 8.8, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-97008 affect?

Published advisories record a fix for office online server (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

8.8

CVSS v3

NVD

Description

Buffer underwrite ('buffer underflow') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CWE-124

How to fix

Remediation Available

office online serverNVD

Affected:< 16.0.10417.20228Fixed in:16.0.10417.20228CVE-2026-97008derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.72%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Patch1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-124 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-2426	High	8.8	87%	KEV	-
CVE-2023-25610	Critical	9.8	18%	-	Fix
CVE-2018-5388	Medium	6.5	3.9%	-	Fix
CVE-2018-15361	Critical	9.8	2.9%	-	Fix
CVE-2021-36064	High	7.8	2.7%	-	Fix
CVE-2021-38575	High	8.1	2.0%	-	Fix

Common questions

How do I fix CVE-2026-97008?

Upgrade office online server to 16.0.10417.20228 or later.

Is CVE-2026-97008 being actively exploited?

Not that we know of. CVE-2026-97008 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.72% is the estimated probability that it will be exploited in the next 30 days. That is higher than 53% of all scored CVEs.

How severe is CVE-2026-97008?

CVE-2026-97008 has a CVSS v3 base score of 8.8, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-97008 affect?

Published advisories record a fix for office online server (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-97008

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-10-15.