How severe is CVE-2016-0077?

CVE-2016-0077 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2016-0077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-0077?

CVE-2016-0077 primarily affects Microsoft Edge. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-0077?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-0077 published?

CVE-2016-0077 was published on 2016-02-10 and last updated on 2026-06-17.

CVE-2016-0077

CVE-2016-0077 is a medium-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-19.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-19
Affected product: Microsoft Edge
Published: 2016-02-10
Last modified: 2026-06-17

Description

Microsoft Internet Explorer 9 through 11 and Microsoft Edge misparse HTTP responses, which allows remote attackers to spoof web sites via a crafted URL, aka "Microsoft Browser Spoofing Vulnerability."

Frequently asked questions

What is CVE-2016-0077?: Microsoft Internet Explorer 9 through 11 and Microsoft Edge misparse HTTP responses, which allows remote attackers to spoof web sites via a crafted URL, aka "Microsoft Browser Spoofing Vulnerability."
How severe is CVE-2016-0077?: CVE-2016-0077 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2016-0077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-0077?: CVE-2016-0077 primarily affects Microsoft Edge. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-0077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-0077 published?: CVE-2016-0077 was published on 2016-02-10 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*

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